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MPPSC AE 2024: State Engineering Service Exam, Mechanical Engineering

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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 1 of 40
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SET
                                                                                                  RSAE/2024/M

            5312733
                                                                  A                          Mechanical Engineering


        Question Booklet No.                                                                                               Ol*?!^         I
      d^H^Mich                                                                               Candidate should write his/her Roll No.
      Roll No.                                                                               in the given boxes.

                          No. ofPrinted Pages : 40                                   ^vl y^nl^WtT / Total No. of Questions : 150
   WT/ Time: 03             /03 Hours                                                                  gjnfe/ Total Marks ; 450


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                                        INSTRUCTIONS TO THE CANDmATES
  1. Immediately after the commencement ofthe examination, you should check that this Question Booklet </oes
     not have any unprinted or torn or missing pages or items etc. If so, immediately contact the Invigilator and
     get it replaced with Question Booklet.
  2. This combined Question Booklet is divided in two Sections, Section-'A' and Section-'B'.
  3. Section-'A' contains 50 questions of General Studies. All questions are in Hindi and English language. All
      questions are compulsory.
  4. Section-'B' contains 100 questions of Mechanical Engineering subject. All questions are in English
     language. All questions are compulsory. Candidates should ensure that he/she has got the question paper of
      the same post for which he/she had applied.
  5. All questions cany equal marks. Three (03)marks will be given for each correct answer. There is provision
     of Negative Markings as per examination plan. For each wrong answer. One(01) mark will be deducted.
  6. Read carefully the instructions given on the Answer Sheet (OMR) supplied and indicate your answers
      accordingly.
  7. Kindly make necessary entries on the Answer Sheet(OMR)at the places indicated and nowhere else.
  8. Examinee should do all rough work on the space meant for rough work on pages given at the end of the
     Question Booklet and nowhere else, not even on the Answer Sheet(OMR).
  9. If there is any sort of mistake either ofprinting or offactual nature in any question, then out ofthe Hindi and
     English versions ofthe question, the Hindi version will be treated as standard(with ref. to Section-A).



RSAE/2024/M                                           ooOO lOOott                                                                11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 2 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 3 of 40
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Section-'A' - General Studies
                                             a>
      Which of the following place is not          5. In the year 2023-24, whose dropout
                                             ^          .
      broadcasting 'Vanya Community                   rate was 1higher
                                                                 - 1           xi.
                                                                       at both the pnmary
      Radio Center'?
                                                      and secondary levels in Madhya
                                                         Pradesh?
      A. Meghnagar (Jhabua)                              A. Boys at both levels
      B. Khalwa(Khandwa)                                 B. Boys at primary, girls at
      C. Sailana(Ratlam)                                    secondary
      D. Bijouri(Chhindwara)                             C. Girls at both levels
                                             0"1
                                             CO          D. Girls at primary, boys at
 2.   Which ofthe following is a key                        secondary
      advantage of cloud computing?
                                                   6.    Which of these rivers originating
                                                   BSB
      A. Increased power consumption                     from Satpura mountains flows
                                             CO

      B. Physical storage dependency         CO          towards the south?

      C. Virtualization and better server                A. Johilla

         utilization                                     B. Banjar
      D. Limited Resource access                         C. Wainganga
                                                         D. Tawa
 3.   Which pair is not correctly matched?
                                                   7. In which one place are both
      A. Fazil Muhammad - Gada
                                                   m Kunvaramath and Jalpa devi temple
         ambapani                                        located?
      B. Raja Bakhatbali - Shahgarh                      A. Jaso,(Satna)
      C. Raghunath Mandloi - Badwani                     B. Udaigiri,(Vidisha)
      D. Faijand Ali - Dhar                              C. Kardameshwamath
                                                            (Hoshangabad)
 4.   Who was the author of the 'Papers                  D. Ramvan (Burhanpur)
      Relating to the Aboriginal Tribes of   CO
                                             00
                                                   8.    Who is the first Chief Justice of
      Central Provinces'?
                                                         Madhya Pradesh High Court?
      A. John Malcolm
                                                         A. Hon'ble Justice P. V. Dixit
      B. Stephen Hislop                                  B. Hon'ble Justice G. P. Bhutt
                                             oo
      C. Heeralal                                        C. Hon'ble Justice M. Hidayatullah
      D. Elwin Verrier                                   D. Hon'ble Justice Bishambhar
                                                            Dayal
                                             OJ
                                             00




RSAE/2024/M                    •ooOO 3 O O o o                                          11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 4 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 5 of 40
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9.    Which tribal revolutionary of              13. After whom is the 'Karma' festival
       Madhya Pradesh died in Andaman              I celebrated widely in tribal society
       Jail during his life sentence?
                                                      named?
       A. Revolutionary Naval Shah
       B. Revolutionary Nizam Shah                    A. In the name of Goddess

       C. Revolutionary Bhima Nayak                   B. In the name of Tree
       D. Revolutionary Raghuvir Singh
                                                      C. In the name of River
          Mandloi
                                                      D. None ofthe above
Ip- Maharaja Hastin, mentioned in the        to

       Khoh inscription of Guptsanvat 156,        14. The Prime Minister of India
                                             K>
       belonged to which of the following
       dynasties?                                     congratulated which Indian chess
                                             CO

       A. Uchchakalpa                                 player on defeating world no. 01
       B. Rajarshitulya                               Chess player Hou Yifan in the 2"^^ leg
       C. Parivrajaka                                 of Blitz semifinal at World Team
       D. Nal                                         Blitz Championship at London on
 1 !_• According to the Ramnagar                      19^Mune 2025?
       inscription who was the founder of
                                                      A. R. Vaishali
       Gond dynasty of Garha?
       A. Yadavrai                                    B. Soumya Swaminathan
       B. Hridayshah                                  C. Divya Deshmukh
       C. Sumer Singh
                                             CO
                                                      D. Harika Dronavalli
       D. VeerNarayan
 12.   According to Indian Railways Report        15. What was the position of Madhya
       2023-24 what was the position of               Pradesh in the country in wind energy
                                             CO
       Madhya Pradesh in the country in      to       capacity (on     May 2025)?
       terms of Railway Network?
       A. Sixth
                                                      A. Eighth
       B. Third                                       B. Seventh
       C. Fifth
                                                      C. Sixth
       D. Fourth
                                                      D. Fifth
                                             CO
                                             CO




RSAE/2024/M                                                                         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 6 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 7 of 40
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16. Which subsector had the lowest             tn 20.     Against which ruler did Babar laimch
       contribution to Madhya Pradesh's                   an attack on Chanderi?
       Gross State Value Added(GSVA)
                                                          A. Medini Rai
       within the primary sector in the year
       2024-25?                                           B. Rao Silhadi

       A. Livestock                                       C. Rao Vikram
       B. Forestry                                        D. Man Singh
       C. Fisheries and Aquaculture
                                                    21.   What was Madhya Pradesh's score in
       D. Crops
                                                          Goal 4(Quality Education), as per
  In which event Priyanshi Prajapat of
17.                                            to         the NITI Aayog SDG India Index
m Madhya Pradesh won the gold medal                       2023-24?
       at Vietnam in June 2025?
                                                          A. 49
       A. Archery
                                                          B. 50
       B. Boxing
                                                          C. 56
       C. Wrestling
                                                          D. 62
       D. Shooting

18.    Name India's first indigenously              22.   What is the main goal of launching
       designed and built diving support                  GYAN Mission in Madhya Pradesh?
       vessel which was given to Indian
                                                          A. Export promotion
       navy on 18^ July 2025?
                                                          B. Inclusive and comprehensive
       A. INSNilgiri
                                               Wu
                                                             growth
       B. INS Nistar
                                                          C. Urban beautification
       C. INS Udaygiri                         JO

                                                          D. Administrative downsizing
       D. INS Surat

 19.   When independent India got full
                                                    23.   How many tribal development Blocks
       administrative control on Bhopal                   are there in Madhya Pradesh?
       State?                                             A. 86
       A. August 1947                                     B. 89
       B. Jime 1949                            ro
                                                          C. 84
       C. January 1950
                                                          D. 80
       D. January 1949


RSAE/2024/M                     •ooOO 7 Q O o o                                      11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 8 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 9 of 40
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24.   When TESA Act' was implemented                28.     Which of the following statements is
                                                    SSIsl

      in Madhya Pradesh?                      ^             correct regarding irrigation in
                                                            Madhya Pradesh in the year 2023-24?
      A. November 2021
                                                            A. Wells and tubewells are at the top
      B. November 2022                                         among the sources of irrigation.
      C. November 2023                                      B. Ponds are at the second place
                                                               among the sources of irrigation.
      D. November 2024
                                                            C. Canals are at fourth position
  According to the 2011 census, which
25.                                                            among the sources of irrigation.
H were the first four districts in Madhya                   D. The net irrigated area in Dindori
  Pradesh in terms of population size?                         and Anuppur is higher than the
                                                               state average.
      A. Indore, Bhopal, Jabalpur, Gwalior
                                                    29. The folk dance called "Dandhar" is
      B. Indore, Bhopal, Jabalpur, Ujjain
                                                            the folk dance of which tribe?
      C. Indore, Jabalpur, Sagar, Bhopal                    A. Bhil
      D. Indore, Jabalpur, Bhopal, Rewa                     B. Gond

26. Who is the author of the book "The                      C. Manjhi
      Highlands of Central India" written                   D. Kanwar
      on the tribal area of Madhya Pradesh?
                                                    30.     One of the objectives of Revamped
      A. VariyarElwin                                       Rashtriya Gram Swaraj Abhiyan is-
      B. W. B. Grigson                        CO
                                                            A. I)evelop governance capabilities
                                                               of Panchayati Raj Institutions to
      C. Captain J. Forsyth                                    deliver on Sustainable

      D. R. V. Russell, Hiralal                                Development Goals.
                                                            B. Develop capabilities of women
27.   'Karkraj Temple' in Madhya Pradesh                       and children towards better
      is located in-                                           governance.

      A. Ujjain                               Ul            C. Enhance economic capabilities of
                                                               urban-rural population.
      B. Omkareshwar
                                              E-O           D. Ensure immigration to urban
      C. Maheshwar                                             places for employment
                                              CO
                                                               opportunities.
      D. Amarkantak



RSAE/2024/M                       ooOO 9 O O O O                                        11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 10 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 11 of 40
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31.    An optical scanner used to read an    Qi 34. Under which section of the
                                             ,, Bsa
                                                        Scheduled Caste and Schedule Tribes
       image and recognize text from it is
                                                        (Prevention of Atrocities) Act 1989
       known as-
                                                        the State Government has been given
       A. Optical Character Recognition                 the power to establish special courts?
          (OCR)                                         A. Section - 12

                                                        B. Section - 14
       B. Optical Mark Recognition(OMR)
                                                        C. Section-16
                                             CO
       C. Magnetic Ink Character             ^          D. Section-18
          Recognition(MICR)
                                             ^ 35^ The inscription of Chandragupta
       D. Bar Code Reader(BCR)               CO- ii? Vikramaditya at Sanehi mentions—.
                                                        A. Sawantardav
32.    The Minister of Department of
                                                        B. Amrakardav
       Women and Child Development in
                                                        C. Chellakardav
       the 16^ Legislative Assembly of
                                                        D. Bilahanardav
       Madhya Pradesh is            .
                                                  36. What is the HTTP status code
                                                  msa
       A. Smt. Krishna Gaur                       a     returned by the server, when a web
       B. Smt. Pratima Bagri                            page is not found on the server?
                                                        A. 404
       C. Sushri Nirmala Bhuria
                                                        B. 403
                                             CO
       D. Smt. Radha Singh                              C. 304

33.    The resolution of a printer is                   D. 303
lap]
m measured in which unit?
                                             CO         Who is the recipient of the 59^^
                                                  ^ Jnanpith Award for the year 2024?
       A. DPI
                                                        A.
                                             tn
       B. PPI
                                                        B.

       C. PPM                                           C.

       D. KBS                                           D.
                                             CO




RSAE/2024/M                      •ooOOllOOoo                                         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 12 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 13 of 40
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38.   On the basis of the following          cn 40.       According to India State of Forest
                                             « .. [3813

      statements regarding Satpura, select          B:?   Report 2023, which are the first three
                                                          districts in terms of area(%)under
      the correct answer from the code
                                                          forests in Madhya Pradesh?
      given below-
                                             CO-
                                                          A. Balaghat, Mandla, Dindori
      (1) The Western part of Satpura is
                                                          B. Umaria, Balaghat, Sheopur
           also called Rajpipla hills.
                                                          C. Sheopur, Mandla, Balaghat
      (2) Most of the hilly areas here are
                                                          D. Dindori, Umaria, Balaghat
           900 m. high.
                                                    41.   Which of the two sensors help the
      (3) The maximum height of western      ^li5
                                                    B<    mobile display change between
           Satpura is 1325 m.
                                             C/0          vertical and horizontal orientations
      (4) Maikal range is a connecting                    based on how we hold the mobile
           link between the Vindhyas and                  phone?
           Satpuras.                                      A. Accelerometer and Gyroscope
      Code:                                               B. Accelerometer and proximity
                                                             sensor
      A. Only 1, 2 and 3 are correct.
                                                          C. Magnetometer and Micro
      B. Only 1,2 and 4 are correct.                         telescope
      C. Only 2, 3 and 4 are correct.                     D. Barometer and Gyroscope
      D. All 1, 2,3 and 4 are correct.              42. Match the column-
                                             in
                                             CO               District     Proposed Industrial
39. The Scheduled Castes and the
                                                                           Area
      Scheduled Tribes (Prevention of                     (a) Gwalior (1) Semlikankad
      Atrocities) Act was enacted in the     to           (b) Mandsaur (2) Mohna
                                             to
      which month of year 1989?                           (c) Morena   (3) Mawai
                                                          (d) Dhar     (4) Lalbagh
      A. August
                                                          A. a-1, b-2, c-3, d-4
      B. September                           to
                                                          B. a-4,b-3,c-2,d-l
      C. October
                                                          C. a-2,b-l,c-3,d-4
      D. November                            CO
                                             CO
                                                          D. a-2, b-3, c-1, d-4


RSAE/2024/M                        OOOO13OOO0                                          11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 14 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 15 of 40
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43. Which of the following statements is       Q\ 45. Which ofthe following statements is
050                         ®
  t correct regarding the production of              Wm. correct regarding the winter season in
       Jowar in Madhya Pradesh in the year               the State of Madhya Pradesh?
       2020-21?

                                               tUJ       A. There is low pressure in January.
       A. The State was third in the country
          in the production of Jowar.
                                                         B. There is low pressure in
                                               ^             December.
       B. The State was fifth in the country
          in the production of Jowar,
                                                          C. There is high pressure in January.

       C. The highest production in the
          State was in Dindori district.
                                                         D. The nights are shorter in this
                                                             season.


       D. Bhind and Gwalior were among
          the major producing districts in      ii 46^ Kunwar Chain Singh was associated
          the State.
                                                          with which Princely State of Madhya
                                                          Pradesh?
44. In which Hindi month is the
0S!0
0^ Meghnad festival celebrated by the
       Gond tribe?                             o-i        A. Dhar
                                               L'2


       A. Kwanr
                                                          B. Narsinghgarh

       B. Jyeshtha
                                                          C. Raghogarh
       C. Sawan
                                               C/1
                                               CO         D. Rajgarh
       D. Falgun



                                               CO




RSAE/2024/M                       ooOO 15 QOOO                                         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 16 of 40
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MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 17 of 40
Page 17 of 40
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47. In which district is the prehistoric   iSi 49. "Laying down standards for emission
HI rock art site of Chaturbhuj Nala                ^          discharge of environmental
     located?                                               pollutants from various sources
                                                            whatsoever" comes within the

     A. Dhar                                                general powers of         under
                                                            Environment Protection Act, 1986.
                                           (St
     B. Betul
                                           ^                A. State Government
                                           w
     C. Mandsaur
                                                            B. Central Government

                                           oo

     D. Anuppur                                             C. Local Self Government


                                                            D. National Green Tribunal
48. When did Gondwana's queen
1^ Durgawati sacrifice herself while               50. Which Padma Shri Award recipient
                                                   [ililQ
     fighting with Mughal Commander                         in 2025, of Madhya Pradesh has
     AsafKhan?                                              prepared a Nimadi dictionary and
                                                            grammar book?
     A. Year 1560                          oo
                                           BKIhX
                                                            A. Shri Bheru Singh Chouhan

     B. Year 1562
                                                            B. Shri Jagdish Joshila

     C. Year 1564                                           C. Shri Harchandan Singh Bhatti
                                           C71
                                           Cfi?
                                                            D. Shri Budhendra Kumar Jain
     D. Year 1566




                                           CO




RSAE/2024/M                                                                              11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 18 of 40
Page 18 of 40
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Section-'B' - Mechanical Engineering
 51.   Arrange the following entities-                   53^ Which statement fi^om following
       (i) Gross profit (a)The amount of                       about the afterburning stage of the
                           money that a
                               company owes
                                                               combustion in SI engine is true?
                              to others
                                                               A. Pressure inside combustion
       (ii) Liabilities    (b)Gross profit
                              minus operating                     chamber increases during
                              expense                              afterburning stage.
       (iii) Operating     (c)Net sales minus
                                                               B. Pressure inside combustion
             profit           the cost of
                              goods sold                          chamber decreases during
       (iv) Net cash       (d)Profit after tax                    afterburning stage.
             flows             minus non-cash
                              revenue plus                     C. Pressure inside combustion
                              non-cash                            chamber remains constant during
                              expenses
                                                                  afterburning stage.
       A. i-c, ii-d, iii-a, iv-b
       B. i-d, ii-a, iii-c, iv-b                               D. Pressure inside combustion

       C. i-c, ii-a, iii-b, iv-d                                  chamber may increase or
       D. i-c, ii-d, iii-b, iv-a                                  decrease depending on the
 52.   A uniformly distributed load (udl) of                      amount of fuel supplied.
       load intensity w is acting on entire  f,"
       span(t)of a simple supported beam. Ill                  Wrought iron is obtainedby refining
       The maximum bending moment will                   iaf
                                                               of pig iron through the process of-
       be-
                                                 •'j"*
                                                               A. Blast fumace
       A.
             wt^/2
       B.
                                                               B. "Chill fumace
             wt^/4
       C.                                                      C. Cupola fumace
             w^^/8
       D.
             w^^/16                                            D. Puddling fumace

                                                 L-:i

                                                 c.-'.




RSAE/2024/M                          iJooOisOooo                                             11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 19 of 40
Page 19 of 40
Text of page 19
55. In a plate clutch, the inner radius of     wn 57. The back-stop brake is a differential
- n]
w                                                          band brake used to-
 ^ the contact surface is 50 mm and the

       outer radius is 100 mm. An axial                    A. Prevent the rotation of the drum

       force of4 kN acts on it, the                        B. Prevent the forward rotation of
                                                              the drum
       maximum pressure in a plate clutch is
             (Assume uniform wear                          C. Prevent the reverse rotation of the
                                                              drum
       theory)
                                                           D. Prevent the brake from self-
                                               oi^

                                                              locking
           0.127 N/mm^
                                                     58. About thermal reservoirs consider
                                                     ESE
                                                     e'M   following statements-
           0.254 N/mm^
                                                           (1) To consider a body as thermal
                                                                reservoirs it does not have to be
       C- 2.54 N/mm^                                            very large always.
                                                           (2) To consider a body as thermal
           1.27 N/mm^                                           reservoirs its thermal energy
                                                                capacity must be large
                                                                relative to the amount of energy
56. Below are the comparator types                              it supplies or absorbs.
^ except-                                                  Select correct option from below
                                                           about above two statements.

       A. Johansson Mikrokator
                                                           A. Statement(1)is correct and
                                                              statement(2) is incorrect
       B. Sigma comparator
                                                           B. Statement(2) is correct and
                                                              statement(1)is incorrect
       C. Sheffield reed gauge
                                               <jn         C. Both statements(I) and (2) are
                                               o>              correct
       D. Angle Dekkor
                                               K3          D. Both statements(1) and(2) are
                                                               incorrect




RSAE/2024/M                                                                              11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 20 of 40
Page 20 of 40
Text of page 20
59. In solar photovoltaic system, the       CTi    61, The maximum Coefficient of
ESS
      current and voltage relationship in           IIP   Performance (COP) of a heat driven
      terms ofjunction current                            absorption refrigeration cycle is
                                                          obtained under which of the
      saturation current (Iq), electron      W
                                                          following assumptions?
                                             CO
      charge (e), voltage (V), Boltzmann's
                                                          A. Adiabatic heat transfers,
      constant(k) and absolute temperature
                                                             significant pump work, and
      (T)is-
                                                              different condenser/absorber
                                             CO               temperatures.
      A.
           Ij=V exp            -1
                                             nj           B. Isothermal and reversible heat
                        vkTy
                                                              transfers, negligible pump work,
                                             CO
                                                              and equal condenser/absorber
      B.                                     CO

           Ij = Io exp
                       M -1                                   temperatures.
                         eV
                                                          C. Isentropic compression, finite
                                                             pump work, and varying
      c.                'eV^                                  evaporator temperatures.
                  exp          -1
                        ,kT,                ill           D. Irreversible heat exchange, high
                                                             pump work, and identical
      D.
                        ^kT^                                 generator/absorber pressures.
           Ij=V exp            -1
                                                    62.   The relationship between cutting
                                                          speed 'V and tool life T' is given by
                                             to
 60^ Gun metal composition is-                            VT^'^C. With n = 0.125 andC =
E
 «E

                                             ■vsi
                                                          34.45, the percentage (%) decrease in
      A. 80% copper, 20% tin                 CO           tool life when cutting speed is
                                             CO           increased by 1/3'"'^
      B. 79% copper, 11% Al,5% Ni
                                                          A. 1/20

      C. 88% copper, 10% tin, 2% Zinc                     B. 1/2
                                             CO

                                                          C. 1/10
      D. 80% copper, 20% zinc                lO
                                             -g           D. 1/3
                                             CO
                                             CO




RSAE/2024/M                                                                             11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 21 of 40
Page 21 of 40
Text of page 21
63. Which of the following is NOT the           07 66. Which is the full form ofEPROM?

      factor through which the capacity of              w     A. Extended Programmable Read
      the battery is determined?                                 only Memory
      A. Final limiting voltage of the cells,                 B. Erasable Programmable Random-
      B. Discharge rate.                                         Only Memory
      C. Density of electrolyte.                              C. Erasable Programmable Random
      D. Pressure of electrolyte.                                Online Memory
                                                cn
                                                              D. Expanded Photogenic Removable
64. In case of SI engines as the fuel-air
                                                ....X            Only Memory
(*•
Q     equivalence ratio goes on increasing
                                                )V>
      the carbon monoxide emission                      67.   Liquid metals are preferred for high
      Select correct option from below to                     heat-transfer applications primarily
      complete the above statement.                           because-

      A. goes on increasing                                   (Which of the following statements
                                                              are necessarily correct?)
      B. goes on decreasing
                                                              (1) Their high thermal conductivity
      C. remains constant
                                                                   enables faster heat transfer
      D. becomes zero                                             compared to conventional fluids.
65. The monthly demands for an office                         (2) They remain chemically inert
                                                                  under extreme temperatures,
      furniture (in units) are given in the
                                                                  reducing corrosion risks.
      following table. What will be the
                                                              (3) They are uniquely suited for
      forecast demand for 12'^ month using      (JT,
                                                                  dissipating large heat loads from
      3-period?
                                                                  eonfined spaces, such as nuclear
      table :
                                                K)
                                                                  reactors.
       Month(t)      1   2   3   4    5    6
                                                ca
                                                              (4) Their low viscosity minimizes
       Demand(Dj) 600 628 670 735 809 870
                                                o.>               pumping power requirements in
       Month (t)    7    8   9   10   11   12
                                                                  cooling systems.
       Demand(Dj) 800 708 842 870 739      -




                                                              A. Point 1 and 2 only
      A. 700 Units                                            B. Point 1 and 3 only
      B. 817 Units                                            C. Point 2 and 3 only
                                                to

      C. 890 Units                                            D. Point 2 and 4 only
      D. 728 Units



RSAE/2024/M                      •o€>00 2lOO»o                                             11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 22 of 40
Page 22 of 40
Text of page 22
68.   Wind shear is an important parameter           71. In Psychrometrics, why are only two
      used in the study of wind energy. The    ^           independent properties required to fix
      wind shear is-                          K5
                                                           the thermodynamic state of moist air
                                                           when the total (barometric) pressure
      A. The rate of change of wind speed
                                                           is specified?
         with height above ground.            C*3

                                                           A. Because the humidity ratio is
      B. The rate of change of wind speed                     always constant at a given
         with blade length.                                    temperature.
                                              4a)
      C. The rate of change of wind                        B. Because Dalton's law provides an
         energy with atmospheric                               additional relation between the
         temperature.                                          partial pressures of dry air and
                                              C^>
                                                               water vapor.
      D. The rate of change of wind
         energy with atmospheric                           C. Because the enthalpy of moist air
         pressure.                                            depends only on temperature.
                                                           D. Because the relative humidity is
69.   The electrolyte used in the Hydrogen-aj^s               fixed at standard atmospheric
      Oxygen (Hydrox)fuel cell is-
                                                               pressure.

      A. Phosphoric Acid
                                                     72.   Which of the following equation is
      B. Molten Carbonates                                 true According to Guest theory, when
                                                           the specimen is subjected to uni-axial
      C. Sodium Hydroxide                     4n
                                                           stress in the tension test?

      D. Potassium Hydroxide                               (Sgy - yield strength in shear and -
                                                            Syt yield strength in tension)
70.   Point to point system is used for
      machining operation-                                 A. Se„=0.5xS,
                                                              'sy      »yt

      A. Reaming                                           B. Syt=0.5xSsy
                                              in
      B. Facing                                            C. S,y/Syt=2
                                              to


      C. Parting                              ES.3         D. Ssy= 0.85 X Syt
      D. Side milling                         00
                                              OO




RSAE/2024/M                    •00OO22OO00                                               11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 23 of 40
Page 23 of 40
Text of page 23
73. IS 919 recommends               basis fit   (SI 76. In horizontal milling process
\sm
      and          tolerance system.            ^^ milling provides better surface finish
                                                             and          milling provides longer tool
      A. Shaft, Unilateral
                                                             life.
      B. Hole, Unilateral
                                                             A. Up, Down
      C. Shaft, Bilateral
                                                             B. Up, Up
      D. Hole, Bilateral
                                                cn
                                                             C. Down, Up
74.                                             w
      Which interface in a SCADA system
      is used by a PLC to interface with                     D. Down, Down
      human?
                                                       77. The water is flowing through a pipe
      A. MMI                                    .0
                                                             line of 140 mm diameter with a
      B. GUI                                                 velocity of 1.6 m/s. Determine the
                                                             discharge through the pipe in
      C. HMI
                                                             litre/sec.
      D. None of these
                                                             A. 2.464 litre/s
75. Match the machine tools (Group A)
                                                             B. 24.64 litre/s
^ with the best probable operations
 (Group B)-                                                  C. 12.32 litre/s
            Group 'A'             Group 'B'
                                                             D. 11 litre/s
      (a) Centre Lathe (i)        Slotting
      (b) Milling         (ii) Counter-                78. Which part is attached at the end of a
                                                       s«a     ,          .   ,          .   ,   ,
                               boring                  0^ robot manipulator to manipulate the
      (c) Grinding        (iii) Knurling                     object or hold it?

      (d) Drilling        (iv) Dressing                      A. Sensor

      A. a-i, b-ii, c-iv, d-iii
                                                             B. Controller

      B. a-ii, b-i, c-iv, d-iii
                                                             C. End-effector
      C. a-iii, b-i, c-iv, d-ii
                                                             D. Actuator
                                                Cft)
      D. a-iii, b-iv, c-ii, d-i


RSAE/2024/M                          00OO23OO00                                              11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 24 of 40
Page 24 of 40
Text of page 24
79.    The major problem with skin-dried        W**     82.   Carbon Nanotubes(CNT)are
       moulds is-                                             produced except the method of-

       A. Mould distortion takes place                        A. Pyrolysis
                                                f j,
       B. The process produces sound                          B. Arc-discharge
          castings without any defects
                                                              C. Electrolysis
       C. Erosion of the mould takes place
                                                cn            D. Jet nozzle discharge
       D. A compromise between green            40

          sand and dry sand mould                       83.   The critical fiber length in composite
                                                              material depends on properties
 80.   Ifzeroth law of thermodynamics has                     except-
       to be applied to three bodies then
       those bodies should be                                 A. Fiber diameter

       Select the correct option from below                   B. Fiber Surface Area
       to fill blank space of above sentence.
                                                              C. Fiber Tensile strength
       A. ofsame weight
                                                              D. Shear yield strength at the fiber-
       B. made of similar material
                                                                 matrix interface

       C. in thermal equilibrium
                                                        84.   In Ultrasonic Machining (USM) for
                                                        B|
       D. of same shape                                       finishing to roughing operation the
                                                < -V
                                                              Material Removal Rate (MRR) with
 81.   As per Gilbert's limit or Betz                         respect to grain size of abrasive
\sm
       coefficient, the approximate                           particles usually-
       recoverable wind power is-
                                                ■f r'
                                                              A. Decreases
       A. 25%
                                                              B. Increases
       B. 50%
                                                              C. Decreases and Increases
       C. 60%
                                                              D. Increases and Decreases
       D. 90%                                   *■" 1

                                                r




RSAE/2024/M                      •0000 24 0000                                             U Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 25 of 40
Page 25 of 40
Text of page 25
85. A pitot static tube is used to measure        87. The non-conventional machining
     the velocity of water in a pipe. The     ^ m process that given the best surface
     stagnation pressure head is 8.25 m                fmish and also is the source of
     and static pressure head is 7 m.                  reduction in fatigue properties is-
     Calculate the velocity offlow,
     assuming the coefficient of velocity               A. Electric Discharge Machining
     of the tube equal to 0.98 with                       [EDM]
     consideration of loss. Take value of
                                                       B. Electro Chemical Machining
      g = 10m/s^.
                                                          [ECM]
     A. 4.9 m/s
                                                        C. Ultrasonic Machining[USM]
     B. 3.9 m/s

     C. 4 m/s                                          D. Chemical Machining[CHM]
     D. 11 m/s
                                                   88. In the design of close coiled helical
     Zenith angle (G^) used in the study               spring, In order to consider the effect
^ ofsolar radiation is-                                of curvature, the Wahl's stress factor
                                                       'K' is given by-
     A. A vertical angle between sun's
        rays and a line parallel to the                (where C is spring index)
        horizontal plane through the
        point.                                         A. 4C-4         0.615

     B. A vertical angle between sun's        to
                                                            4C-l'^ r2
        rays and a line perpendicular to
        the horizontal plane through the                    ^4C-l^ 0.615
        point.                                               4C-4J         C
     C. The angle between the inclined
        slope and the horizontal plane                 C. 4C-1         0.615

        through the point.                                  4C-4"^ C
                                              Ol

     D. The angle between sun's rays and
                                                       D.
        its projection on horizontal plane                  4C-1        0.615
                                              hO                   +
        through the point.                                  4C-4




RSAE/2024/M                                                                         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 26 of 40
Page 26 of 40
Text of page 26
89. In linear programming problem                   92. Why does steady-state radial
     involving more than two variables                  conduction in a hollow cylinder result
                                              £"0
     cannot be graphed and it might not be              in a logarithmic temperature
     readily known, when model is                       distribution, unlike the linear
                                              CO
     constructed, that problem has        .             distribution observed in a plane wall
                                                        under similar conditions?
     A. Multiple optimal solutions
                                              cn
     B. Two phase solutions                   Ca3

                                                        A. The temperature changes in a
     C. Various feasible solutions            Jo
                                                            straight line (linear) in a cylinder,
     D. No feasible solution                  CO
                                                            just like in a flat wall, because
                                              CO

90. If a system exist at the dead state its                 heat flows the same way in all

     exergy is—                                             shapes.

     Select the correct option from below
     to fill blank space of above sentence.             B. The temperature distribution is
                                                            exponential because heat builds
     A. Positive
                                                            up faster near the outer surface.
     B. Negative

     C. Zero                                  C?i
                                                        C. Because heat spreads over a
                                              CO
     D. One                                                 larger area as you move outward,

 91. Viscosity ofthe gases with the                         unlike a flat wall where it
                                              CO
     increase in temperature                  CO
                                                            changes evenly.

     A. Increases
                                                        D. A flat wall has a curved
     B. Decreases
                                              CO            temperature distribution, while a
     C. Remain same                                         cylinder has a straight line one.
     D. Does not effect                       00




RSAE/2024/1V1                     oqOQ 26 OOoo                                         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 27 of 40
Page 27 of 40
Text of page 27
93.   Two steel plates, 120 mm wide and                      cn 95.    The Brayton cycle consist of
      12.5 mm thick are joined together by                             Select correct option from below to
      means of double transverse fillet                                complete above statement.
      weld. Both upper and lower plates are
                                                                       A. One reversible isobaric and one
      subjected to a tensile pull of'P' N.
                                                             00            reversible adiabatic process.
      The maximum tensile stress for the

      plate is 110 N / mm^. The strength of                            B. One irreversible isobaric and one
                                                                           irreversible adiabatic process.
      the weld is equal to the strength of                   ort

      the plate. The required length ofthe                             C. Two irreversible isobaric and two
      weld, is-                                                            irreversible adiabatic process.
                                                             K)

      A. 80.12 mm                                                      D. Two reversible isobaric and two
                                                             CO

                                                             OS            reversible adiabatic process.
      B. 74.87 mm
                                                                   96. State the mechanism that is not
      C. 80.54 cm
                                                                       covered under the heat treatment to
      D. 84.87 mm                                                      increase the metals strength-

                                                                       A. Strain hardening
94.   Margin of Safety Ratio(MoSR)is
      calculated with below equation-                                  B. Recrystallization
                    Actual Sales - Break even Sales                    C. Precipitation hardening
      (i) MoSR =                                      X100
                             Actual Sales
                                                                       D. Dispersion hardening
                    Actual Sales - Break even Sales          00
      (ii) MoSR =                                     X100   ^ 97
                           Break even Sales                            Tool life criterion normally limits on
                                                                       the following wears-
      A. Only equation (i) is correct
                                                                       A. Average crater wear
      B. Only equation (ii) is correct
                                                                       B. Average flank wear
      C. Both equation (i) and (ii) are
                                                             CJt       C. Average crater wear and Average
          correct                                            CO
                                                                           flank wear
      D. Both equation (i) and (ii) are                      ro
                                                                       D. Average crater wear and Average
          incorrect
                                                             OJ            nose wear

                                                             CO




RSAE/2024/M                                                  27 QOoo                                11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 28 of 40
Page 28 of 40
Text of page 28
98.    Earle Buckingham's equation gives       Q']     101. In Queuing systems, the following
SIRS
       wear strength of the gear tooth, is                  distribution is used to describe the
       based on-                               •I V
                                                            interarrival time in the pure birth
       A. Rankine Theory of contact            -.A          model and the inter departure time in
          stresses
                                                            the pure death model-

       B. St. Venant Theory of wear                         A. Exponential distribution
                                                            B. General distribution
       C. Lewis Theory of wear
       D. Hertz Theory of contact stresses
                                               C/",'        C. p -distribution
                                               V ."i
                                                            D. Pure distribution
 99. Psychrometric charts are typically
       constructed for a standard                      102. Which of the following statements
       atmospheric pressure of 1.01325 bar.    CO      fii about the energy storage through
       Which two properties are most                        capacitors is TRUE?
       commonly used as the x and y                         A. The capacitors store electrical
       coordinates in such charts?
                                                               energy at low voltage and high
       A. Temperature and relative                              current.
          humidity                                          B. The capacitors store electrical
       B. Temperature and humidity ratio                       energy at low voltage and low
       C. Enthalpy and specific volume                          current.


       D. Dew point temperature and wet-                    C. The capacitors store electrical
          bulb temperature                                     energy at high voltage and high
                                                                current.
100. For complete balancing of a rotating
                                                            D. The capacitors store electrical
       mass system which of the following
                                                               energy at high voltage and low
       conditions must be satisfied?
                                                                current.
       A. Only the algebraic sum of the
          centrifugal forces must be zero              103. In steel, pearlite phase is made up of

       B. Only the algebraic sum of the                     alternative layers of-
          couples due to the centrifugal       V/.
                                                            A. Ferrite and cementite
          forces must be zero
                                                            B. Ferrite and martensite
       C. Both A and B
                                                            C. Cementite and martensite
       D. Only the largest centrifugal force
                                                            D. Cementite and bainite
           needs to be balanced


RSAE/2024/1VI                                                                              11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 29 of 40
Page 29 of 40
Text of page 29
104. The maximum speed of an electric            106. The ratio of the change in output
                                            CO
    vehicle can be expressed in terms of         m    signal to the change in input signal at
    maximum allowed RPM of traction         KS
                                                      steady state conditions is-
    motor (Niiiax)j gearratio of                      A. Reproducibility
                                            to

    transmission ^ig^, gear ratio offinal   CO        B. Sensitivity

    drive (io) and radius of the driven               C. Repeatability

    wheels, as-
                                                      D. Readability
                                                 107. If water in a pan is heated by
    A.            _ ^^max^d                 -A

          ymax                                        supplying 15kJ of heat to water from
                                            EU
                    ^0 ig min ^0                      heating element and 3kJ of it is lost
                                            CO        from water to surrounding air, then
                                            CO        inereases in energy of water will be
    B.
          ymax                                        equal to —
                   ^0 ig min^o
                                                      Select the correct option from below
                                                      to fill blank space of above sentence.
          V       _ ^^max''d
          *max                                        A. 15kJ
                   ^0 ig min^o
                                                      B. 12kJ

    1^*               min^o                           C. 03kJ
          ^max ~
                    14max ^d                          D. 18kJ


105. Oldham's coupling is used to connect 5^ it Unit discharge fm /s^ ofthe turbine
    two shans-                                        is given by-
                                            ho
                                                      A.
    A. Which are perfectly aligned                            3/4


    B. Which are aligned satisfactorily               B.
                                                              3/2

    C. Which have lateral misalignment                C.
                                                              5/2

    D. Whose axes intersect it a small
                                                      D.
          angle                                               1/2


                                            OJ
                                            CO




RSAE/2024/M                                                                        11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 30 of 40
Page 30 of 40
Text of page 30
109. From the following data, what will be       112. The curve generated by a point on the
                                              CO ^0
      the standard time based on standard           m      circumference of a circle rolling
      time calculation for an operation
                                                           without slipping on a fixed straight
      - The total observed time for an
                                              0.5          line is called-
        operation of assembling an electric
       switch is 1.00 min
                                                           A. an involute
      - The rating is 120%
      - Allowance of 10% is allowed for
                                                           B. a cycloid
                                              CTJ
       the operation                          CO           C. an epicycloid
      A. 1.42 min
                                                           D. a hypocycloid
      B. 1.68 min
                                                    113.
      C. 1.32 min                             CO 0^ An Increase of Carbon percentage in
                                                 0^ Carbon steel decreases the property-
      D. 1.20 min

                                                           A. Brittleness
110. Consider the following statement for

      free flout in project management-                    B. Hardness
      (i) Free flout = total flout - Head
                                                           C. Tensile strength
          slack
      (ii) Free flout = total flout- Tail                  D. Toughness
          slack
                                                    114. In           the entrepreneur undertakes
      A. Only option (i) is correct
                                                    0^ activities which could be conducted
      B. Only option (ii) is correct
                                                           by leased employee or workers
      C. Both options (i) and (ii) are
          correct
                                              -^4          without reducing the overall labour

      D. None ofthe above is correct
                                                           productivity.

111, Bezier curve-                                         A. Social entrepreneurship
BS0
0^    A. Lacks local control                               B. Employee entrepreneurship
                                              CO

      B. Does not lack local control                       C. Pure entrepreneurship
                                              FO
      C. Sometimes lacks local control
                                                           D. Collaborative entrepreneurship
                                              00
      D. Pass through all the control points 00


RSAE/2024/M                        OOOO30OOOO                                           11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 31 of 40
Page 31 of 40
Text of page 31
115. A Small Scale unit if registered under        117. Who is the inventor of Artificial
                                                   Ml
     National Small Industries                     (!]%   Intelligence?
     Corporation (NSIC), the following        ^5          A. Andrew Ng
     benefit they get-
                                                          B. Geoffrey Hinton
     A. Issue of tender sets at minimum
                                                          C. Juergen Schmidhuber
         cost
                                                          D. John McCarthy
     B. Exemption from payment of
                                              ^ 118. The centroid of a quarter-circle of
         earnest money                        Oi ts«a
                                                          radius 'r' lies at      from its
     C. Security deposits into the                        centre.
        monetary limit
                                                          A. 371 4n

     D. Price preference will not be given                    4r'^
                                                          B. 4r 4r
116. If the refrigeration cycle is to be
                                                              3k'3tz
     made open at the warm end, the
     pressure at the cold end will be below^H             C. 47t 4r
     atmospheric. Whatis a.key
     implication of this design?                          D. 3tz 3ti

     A. The system requires less
         maintenance due to natural
                                                   119. Which mechanism is involved for the
         pressure equalization.
                                                   if3lr heat transfer process in conduction?
     B. The system must be leak-proof to                  A. Energy transfer by
        prevent air ingress and requires      to
                                                             electromagnetic waves.
         more maintenance.
                                                          B. Diffusion of energy due to
                                              to
     C. The refrigeration efficiency                         random molecular motion plus
        improves significantly due to                        energy transfer due to bulk
        lower cold-end pressure.              tn
                                                             motion (advection).
                                              CO
     D. The warm end automatically                        C. Diffusion of energy due to
        adjusts to atmospheric pressure,      ro
                                                              random molecular motion.

        reducing energy consumption.                      D. None of the above
                                              CO
                                              CO




RSAE/2024/M                     •0000 310000                                          II Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 32 of 40
Page 32 of 40
Text of page 32
120. A ship is pitching (oscillating about a         122. The current ratio in financial ratio
      transverse axis). If the rotor of the               analysis can be expressed as-
      ship's turbine spins in the clockwise    f-O
                                                          A. Current Ratio = Total cash/total
      direction when viewed from the stem
                                                              assets
      and the ship pitches upwards, the
                                               Wj
      effect of the gyroscopic couple will                B. Current Ratio = Total
      be to cause the ship to-                                inventory/total assets

                                                          C. Current Ratio = Total
      A. Tum to the starboard side             CO
                                                              liabilities/total assets


      B. Tum to the port side                             D. Current Ratio = Total current

                                               CO             assets/total current liabilities
                                               c-0
      C. Have no effect on the tuming
                                                     123. A turbine develops 7225 kW power

                                                          under a head of 25 metres at 135 rpm.
      D. Increase the pitching amplitude                  Calculate the specific speed of
                                                          turbine-

121   Find the head lost due to friction in
                                                          A. 205.28 unit
      pipe of diameter 300 mm and length
      100 m by using Dracy-Weisbach                       B. 20.5 unit
      equations. The water is flowing at a
                                                          C. 198 unit
      rate of 3 m/sec. Take the co-efficient

      of friction 2.56x10"^                    CO         D. 202.8 unit


                                                     124. The main gaseous products of
      A. 1.536 m
                                                          biomass pyrolysis are-
                                               CO
      B. 1.566 m                                          A. C02,02andH2

                                                          B. C02,N2andC0
      C. 1.491 m
                                                          C. CH4,H2jCO and CO2
      D. 2.381 m
                                                          D. N2,02andC02
                                               W'3




RSAE/2024/1M                      0OOO32C>Ooo                                            11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 33 of 40
Page 33 of 40
Text of page 33
125. Which ofthe following support does                 128. The extensive properties per unit
                                                  CO
     not offer horizontal reaction? (i.e.                      mass (i.e. specific extensive
     parallel to the axis of beam)                             properties) are
     A. Hinge support                                          Select the correct option from below
                                                  w
     B. Fixed support                             00
                                                               to fill blank space of above sentence.

     C. Roller support                                         A. Extensive properties
     D. None of the above                                      B. Intensive properties
                                                  on
126. In reciprocating engine mechanism,           CO
                                                               C. Adverse properties
     the link that rotates fully is called the-
                                                               D. Induced properties
     A. Connecting rod                            -4
                                                  CO
     B. Slider                                          129. In case of internal combustion engine
                                                  CO    m\si

     C. Crank                                           m during the cruising range of throttle
                                                               operation
     D. Frame
                                                               Select correct option from below to
127. Two heat exchangers (parallel flow
                                                               complete the above statement's-
    and counter flow), are designed with
                                                               A. Enriched air-fuel mixture is
    the same U, A, and inlet
    temperatures. Why does the counter-                             required.
    flow configuration typically achieve a                     B. Air-fuel mixture is not required
    higher heat transfer rate? (Where 'U'                         for engine operation.
     is overall heat transfer coefficient         cn
                                                  CO
                                                               C. Lean air-fuel mixture is required.
     between two fluids &'A' is effective
     heat transfer Area).                                      D. 50% air-fuel mixture is required.
     A. Because it has a lower LMTD
                                                        130. Differential manometer is used to
         than parallel flow configuration.
                                                  CO
                                                               measure-
    B. Because it maintains a more
         uniform temperature difference                        A.

         along the length.                        <Sl
                                                               B.
                                                  u>
     C. Because it has higher LMTD than
                                                               C.
        parallel flow configuration.              ho

                                                               D.
    D. Because it has a higher pressure           CO

       drop.                                                        two points


RSAE/2024/M                                                                                    11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 34 of 40
Page 34 of 40
Text of page 34
The speed at which the rotating shaft       U'j     m. Which of the following code will

     becomes dynamically unstable due to         .=,:s        give the end of the program data?
     resonance with its natural transverse
     vibration frequency is known as its-
                                                              A. M04
     A. Damping coefficient                      v-2


     B. Critical speed
                                                              B. M08
     C. Whirling frequency
                                                 Co
     D. Forced frequency
                                                              C. M30
132. A state of plane stress exist at a point

     with normal stresses    and Oy and          Ca)          D. M09
     shear stress T^y Th® center of
     Mohr's circle for this state of stress is
                                                         135. The cylinder head of a steam engine
     located at-
                                                              is subjected to a steam pressure of
     A.
          (•^xi'^'xy)                                         0.7 N / mm . It is held in position by
     B.
          ('^x~'^xy)                                          using 12 bolts. The effective diameter
     C.
          (l/2(ax+C7y),0j                                     of cylinder head is 300 mm.The total
                                                              force acting on the 12 bolts is-
     D.
          (0,2(xj^-ax))                          Sf*'




                                                              A. 4125N
133. In the Bernoulli's equation,

M     P                      ,
        h — +z= constant, each term                           B. 46500N
      Pg 2g
     represents-
                                                              C. 49500N
     A. Energy per unit weight                   Ui



     B. Energy per unit volume
                                                              D. 8250N
     C. Energy per unit mass
                                                 Ifi
     D. None of these



RSAE/2024/M                                      34                                         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 35 of 40
Page 35 of 40
Text of page 35
136. The torsional shear stress induced in              138. A two wheeled vehicle stabilizes

         a transmission shaft, when subjected                itself by       while taking a turn to
         to an external torque is-                K5         nullify the effect of gyroscopic
                                                             couple and the centrifugal force.
         A. Inversely proportional to applied
                                                  Cw         A. braking the vehicle
            torque and polar moment of
             inertia of the cross-section.                   B. increasing the speed of the
                                                                 vehicle
         B. Directly proportional to applied                 C. tilting towards inside
            torque and inversely proportional     CO
                                                             D. tilting towards outside
            to the polar moment of inertia of
            the cross-section.                          139. For the given assembly : 25 H7/g8;

                                                        m   match Group 'A' with Group 'B'-
         C. Directly proportional to the polar                 Group 'A'      Group 'B'
             moment of inertia of the shaft and
                                                            (a) H       (i) Shaft Type
            inversely proportional to the                   (b) IT8     (ii) Hole Type
            applied torque.
                                                            (c) IT7     (iii) Hole Tolerance
                                                                                  Grade
         D. Directly proportional to the
            square of the applied torque.                   (d) g           (iv) Shaft Tolerance
                                                                                  Grade

137. As per first law of thermodynamics                      A. a-i, b-iii, c-iv, d-ii
 gwfil
         the change in total energy during an                B. a-i, b-iv, c-iii, d-ii
         adiabatic process must be          the
                                                             C. a-ii, b-iii, c-iv, d-i
         net work done.
                                                             D. a-ii, b-iv, c-iii, d-i
         Select the correct option from below
                                                -.4 140. The ability of materials to absorb and
         to fill blank space of above sentence.
                                                  CO* ^1^
                                                  Sa)
                                                             release elastic strain energy is called-
         A. independent of
                                                             A. Toughness
         B. more than
                                                  crt       B. Resilience
                                                  to
         C. less than                                        C. Hardness
                                                  K)
         D. equal to                                        D. Impact energy
                                                  CO
                                                  CO




RSAE/2024/M                        •oo00 35C}Ooo                                             11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 36 of 40
Page 36 of 40
Text of page 36
141, The losses are covered under the                  144. The shape factor in radiative heat
                                               t'X:
      minor losses category in pipe flow       —N
                                                            transfer is defined as-
      except-
                                               "•vj
      A. Loss due to sudden contraction
                                                            A. The fraction of thermal energy

      B. Losses due to various pipe fittings (j'j               emitted by a surface that escapes

      C. Loss due to sudden expansion                           to the environment.

      D. Loss due to friction between pipe                  B. The fraction of radiative energy
                                               en
          and fluid                            CO
                                                                that is diffused from one surface
142. Match the following-
nas                                                             element and strikes the other
■m (a) Cartesian       (1) Three rotary axes
                                               c.-.)
                                                                surface directly with no
         robot
      (b) Cylindrical (2) One linear axis,                      intervening reflections.
         robot            two rotary axes
                                                            C. A temperature dependent
      (c) Spherical    (3) Three linear axes
         robot                                                  parameter that determines heat
      (d) Revolute or (4) Two linear axis,                      transfer rate between surfaces.
          Articulate      one rotary axis
          robot                                             D. The ratio of a surface's emissivity
      A. a-l,b-2,c-3,d-4                                        to its absorptivity for thermal
      B. a-3, b-4, c-2, d-1                                     radiation.
                                               .n
      C. a-4, b-2, c-3, d-1
                                                       145. Which of the following is NOT a
      D. a-2, b-1, c-4, d-3
                                                            basic classification category for heat
143. When the point (10,5) is rotated
                                                            exchangers?
      counter-clockwise by 30 degree, the
      resultant point is obtained as-                       A. Flow arrangement
      A. [9.33 6.16]
                                                            B. Construction type
      B. [6.16 9.33]
                                                            C. Relative direction of fluid motion
      C. [9.05 6.05]
                                                            D. Fluid colour
      D. [6.05 9.05]


RSAE/2024/M                                                                                11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 37 of 40
Page 37 of 40
Text of page 37
146. A shaft having of diameter of60 mm           149_
                                                         Choose the Correct Pairs-
                                           Ov? Egg
     is subjected to a shear stress of                   (i) Expert (a) Allows user to use
     40 MPa and has an angle of twist      K)
                                                             systems    native language
     equal to 0.01 radian. The length of                                instead of English
     the shaft is- ^G =0.8xl0^MPaj                       (ii) NLP       (b) Human knowledge
                                                                             stored on machine
     A. 550.45 mm                                                            for use in prob-
                                           CTr                               solving
     B. 600 mm
                                           ..A           (iii) Neural (c) Investigations of
     C. 650.25 mm                                              Networks   new strategies
                                                                             combined with
     D. 650 mm                             £.0
                                                                              heuristics

147. Find the surface tension in a soap                  (iv) Game (d) Mathematical
^ bubble of60 mm diameter when the                            playing  models simulating
                              9
                                                                              fimctional human
     inside pressure is 3N / m above the
                                                                              brain
     atmospheric pressure-
                                                         A. i-d, ii-a, iii-b, iv-c
     A. 0.045 N/m
                                                         B. i-b, ii-a, iii-c, iv-d
     B. 0.090 N/m
                                                         C. i-c, ii-a, iii-b, iv-d
     C. 0.0225 N/m
                                                         D. i-b, ii-a, iii-d, iv-c
     D. 0.0125 N/m                         (./J

                                                  150. The tip-speed ratio of a 8 m
                                           so
148. For welding thin foils of aluminium                 diameter turbine rotor, having
^ the following welding process is                       rotation of 18 RPM at wind speed
  preferred-                                             of4 m/s, is-

     A. Manual Metal Arc Welding                         A. 1.11

     B. Gas Metal Arc Welding                            B. 1.22
                                           Oi


                                                         C. 1.44
     C. Gas Tungsten Arc Welding           50

                                                         D. 1.88
     D. Submerged Arc Welding
                                           CO




RSAE/2024/M                   •ooOC:}37C>o»t>                                              11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 38 of 40
Page 38 of 40
Text of page 38
Space For Rough Worlc/


                                ijv.1




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                                'kJ'.




                                '','5




                                I.- .




                                c:




                                'A

                                  n]




RSAE/2024/M          O0OO38OOOO         11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 39 of 40
Page 39 of 40
Text of page 39
Space For Rough Work /




RSAE/2024/M        •t>o00 39 00»<»*    11 Set A
MPPSC AE 2024 question paper, State Engineering Service Exam 2024, Mechanical Engineering, page 40 of 40
Page 40 of 40
Text of page 40
space For Rough Work /




RSAE/2024/M          OOOO40OOOO'       11 Set A
Page 1 of 40

Source: Madhya Pradesh Public Service Commission. Question paper published by Madhya Pradesh Public Service Commission.