MPPSC AE 2021: State Engineering Service Examination, Electrical Engineering
Text of page 1
SEE/EE/2021 o
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(Electrical Engineering)
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Roll No. Roll No. in the given boxes
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INSTRUCTIONS TO THE CANDIDATES
1. Immediately after the commencement of the examination, you should check that this Question Booklet
does not have any unprinted or tom 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 Concerned Engineering Subject. Question are only in English
Language. All questions are compulsory. Candidates should ensure that he/she got the question paper
of the same post for which he/she had applied.
5. All questions carry equal marks. Three marks for each correct answer. There is provision of Negative
Markings. For each wrong answer, one 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.
a. 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. Only simple calculator is allowed to solve the Question Paper. Scientific/Engineering calculator will not
be allowed.
10. if there is any sort of mistake either of printing or of factual nature in any question of Section - A, then
out of the Hindi and English versions of the question, the Hindi version will be treated as standard.
SEE/EE/2021-A 1
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SECTION-A
(General Studies)
1. The highest peak of Madhya Pradesh is 4. Consider the following statement with
located reference to soils.
(A) Mahadeo hills 1. Large amount of iron and lime are
(B) Kaimur range found in black soil.
(C) Vindhyachal range 2. Red and yellow soil is found in
Baghelkhand.
(D) Bhander range
3. Alluvial soil is found in Bhind and
2. Match List - I with List - II and select
Morena District.
the correct answer from the codes given
below.
Select the correct statement from the
List -1 List - II
above.
(River) (River drainage
area Town/District) (A) 1,2 and 3
a. Wainganga 1. Multai (B) 1 and 2
t
b. Tapti 2. SeonI
(C) only 1
3. Jabalpur
1
c. Narmada
(D) only 2
d. Betwa 4. Vidisha
(
Codes: 5, Which of the following pair is not correctly
a b c d matched ?
(A) 2 1 3 4 District Mining area
(B) 1 2 3 4 (A) Panna Diamond
(C) 2 1 4 3 (B) Balaghat Copper
(D) 1 2 4 3
(C) Katni Limestone
3. The most important Geographical (D) Sagar Manganese
factor affecting average temperature in
Madhya Pradesh
6, Which Tiger Reserve of Madhya Pradesh
(A) Proximity to the Bay of Bengal
has been declared the Biosphere
(B) Tropic of Cancer passes through
Reserve by UNESCO ?
the middle of Madhya Pradesh
(C) About 25 percent part of the land (A) Kanha Tiger Reserve
area of Madhya Pradesh is covered (B) Pench Tiger Reserve
by forests
(C) Satpuda Tiger Reserve
(D) Proximity to the Equator of the
Southern part of Madhya Pradesh (D) Panna Tiger Reserve
SEE/EE/2021-A [ P.T.O.
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7. The two States that have been recently in 10. Yogesh Malviya has been awarded the
news for inter-state border dispute are Dronacharya Award - 2020 for which
sport ?
(A) Mizoram - Meghalaya
(B) Manipur - Meghalaya (A) Kabaddi
(C) Mizoram - Arunachal Pradesh (B) Wrestling
(D) Mizoram - Assam (C) Mallakhamba
(D) Boxing
8. Match List - I with List - II and using
the given codes, select the correct
11. Which of the following is an example of
answer.
input devices ?
List -1 List - II
(A) Trackball
(Player) (Sport)
(B) Speaker
a. Chinki Yadav 1. Horse Riding
(C) Printer
b. AkshatJoshi 2. Shooting
(D) Plotter
c. Muskan Kirar 3. Hockey
d. Khamman Singh 4. Archery
12. Who is called the 'father of artificial
Codes: intelligence'?
a b c d
(A)
(A) 1 2 3 4
(B)
(B) 2 1 3 4
(C)
(C) 2 1 4 3
(D)
(D) 1 2 4 3
13. The smallest unit of memory in a
9. With which sport is "Rajmata Vijya Raje
Slndhia Competition" associated ? computer is
(A) Cricket (A) Megabyte
(8) Hockey (B) Nibble
(C) Football (C) Byte
(D) Chess (D) Bit
SEE/EE/2021-A [ P.T.O.
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14. E-Pathshaia App is related to 18. Who built Sanchi Stupa ?
(A) Books (A) Chandragupta first
(B) Scholarship (B) Bimbisara
(C) Medicine (0) Bindusara
(D) Farmers (D) Ashoka
15. Which of the following is an anti-virus 19. Amritlal Vegad is related to
software ?
(A) Sculpture
(A) Monkey (B) Painting
(B) Norton (0) Singing
(C) Adware (D) Music
(D) Trojan Horse
20. Who is the 'Bhilat Baba'?
16. it was the Capital of'Rajabhoj' (A) The Chief deity of the 'Bharia'
(A) Ujjain (B) The Chief deity of the 'Bhils'
(B) Dewas (C) The Chief deity of the 'Baiga'
(D) The Chief deity of the 'Saharia'
(C) Dharanagari
(D) Bhopal 21. Which of the following campaign has
been initiated under the "Beti Bachao
17. Who wasthe last successful and glorious Beti Padhao" Scheme run by Madhya
King of Garha Mandala ? Pradesh Government?
(A) Raja Shah (A) Sankh
(B) Vikram Shah (B) Lado
(0) ShankarShah (C) Uma
(D) Vishnu Shah (D) Pankh
SEE/EE/2021-A [ P.T.O.
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22. Underthe MadhyaPradesh Mukhyamantii 25. Singorgarh fort is situated in which
Kisan Kaiyan Yojana, how much amount district of Madhya Pradesh ?
is to be given to beneficiary family in a (A) Sagar
financial year ?
(B) Damoh
(A) ? 4,000
(C) Jabalpur
(B) T 5,000
(D) Chhatarpur
(C) ^6,000
(D) 17,000
/
26. Which of the following is not a mobile
23. Consider the following statements Operating System ?
related to Mission Gramodaya Yojana
(A) PalmOS
of Madhya Pradesh Government.
(B) Web OS
i. Families living in rural areas will be
provided with residential facility. (C) Symbian OS
ii. Basic amenities of rural areas will (D) Mac OS
be expanded.
iii. This scheme was inaugurated in the 27. Which of the following is the core protocol
district headquarter of Bhopal.
of WWW?
Choose the correct option ;
(A) DSI
(A) i and iii
(B) ii and iii (B) HTTP
(C) 1 and ii (C) NNTP
(D) All of the above (D) FTP
24. Which award has been given to
28. URL stands for
Prof. Sharad Pagare ?
(A) Saraswati Samman -2020
(A) Universal Reference Location
(B) Kalidas Samman -2020 (B) Uniform Resource Locator
(C) Vyas Samman -2020 (C) Universal Resource Locator
(D) Tansen Samman - 2020 (D) University Resource Locator
SEE/EE/2021-A [ P.T.O.
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29. Which of the following describe 33. 'Matki' dance is famous in which area ?
E-Commerce ? (A) Malwa
(B) Nimar
(A) Business of Electronic Goods
(C) Bundelkhand
(B) Business of Electrical Goods (D) Baghelkhand
(C) Doing Business Electronically
(D) All of the above In which District is'chidikho tourist place'
located ?
(A) Bhopal
30. Which of the computer language is used (B) Rajgarh
in "Artificial Intelligence" ? (0) Raisen
(A) JAVA (D) Sehore
(B) Pascal
35. 'Poet Bihari' was related from
(C) PROLOG (A) Madhya Pradesh
(D) FORTRAN (B) Bihar
(0) Rajasthan
(D) Uttar Pradesh
31. Venganga river flows
(A) Balaghat 36. Which of the following correct order of
Ministers from senior to junior in the
(B) BetuI State Council of Ministers ?
(0) Khandwa (A) Minister of State, Cabinet Minister,
Deputy Minister, Parliamentary
(D) Dindori Secretary
(B) Cabinet Minister, Deputy Minister,
Minister of State, Parliamentary
32. Chanderi is famous for Secretary
(A) Sarees (C) Cabinet Minister, Minister of
State, Parliamentary Secretary,
(B) Wooden work Deputy Minister
(C) Bidi industry (D) Cabinet Minister, Minister of State,
Deputy Minister, Parliamentary
(D) Diamond industry Secretary
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37. Who was the first leader of opposition 41. By whom is the work of diamond mining
of Madhya Pradesh Legislative done in Panna District ?
Assembly ?
(A) National Mineral Development
(A) Vishnu Vinayak Sarvate
Corporation
(B) Vishnu Nath Tamashkar
(B) Bharat Diamond Bourse
(C) V. G.Ghate
(D) Vishwanath Yadavrao Tamashkar (C) Jindal Sales Corporation
(D) Alrosa
38. Which of the following body is the
highest decision making body in the
42. Which of the following option is not
politico-administrative system
according to Indian Constitution ? correct ?
(A) Ruling party (A) The coal found in Madhya
(B) Cabinet Pradesh is deposit in Gondwana
rock group
(C) Legislative Assembly
(D) Collectively all (B) Pench Kanhan coalfield is an
important coal mining area in
39. In which Article of the Indian Constitution Madhya Pradesh
there is a provision to constitute Gram
(C) Singrauii coalfield is spread over
Sabha in Gram Panchayat?
Madhya Pradesh and Chhatisgarh
(A) 243 A
(D) Pathakheda coalfield is situated in
(B) 243 B
BetuI district and provides coal to
(C) 243 C
Sarni Thermal Power Station
(D) 243 D
43. Which coalfield is not located in Madhya
40. When Madhya Pradesh was declared as
Pradesh ?
"Open Defection Free" State ?
(A) Korba coalfield
(A) 16 January 2016
(B) 01 May 2018 (B) Mohpani coalfield
(C) 15 August 2016 (C) Sohagpur coalfield
(D) 02 October 2018 (D) Pathakheda coalfield
SEE/EE/2021-A 13 [ P.T.O.
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vl
44. Which of the following pair is not correctly 48. As per 2011 Census, what is the
matched ? population density of Madhya Pradesh
Irrigation Project River/Tributary
from the following ?
(A) Ban Sagar Son
Project (A) 225/sq. km.
(B) Tawa Project Tawa (B) 236/sq. km.
(C) Pench Project Pench
(0) 246/sq. km.
(D) Kolar Project Betwa
(D) 382/sq. km.
45. Balaghat District gets irrigation facility
from the canal of which river ?
49. In which district of Madhya Pradesh
(A) Wainganga thickest layer of coal of India is found ?
(B) Narmada
(A) Chhindwara
(C) Tapti
(D) Matiyari (B) Singrauli
(0) Shahdol
46. Which of the foilowing tribe is not a
sub-tribe of "Baiga Tribe" ? (D) BetuI
(A) Bijhwar
(B) Narotia 50. How much amount is being provided by
the Madhya Pradesh Govemment under
(C) Badoya
the "Kisan Kalyan Yojana" annually in
(D) Kathmaina
addition to the amount announced by
47. The scale of measuring the values of the the Central Government under "Kisan
components of "Physical Quality of Life Samman Nidhi Yojana" ?
Index" lies between
(A) Rs. 2,000
(A) In between 0 to 1
(B) Rs. 3,000
(B) In between 1 to 100
(C) in between 1 to 50 (C) Rs. 4,000
(D) In between 0 to 100 (D) Rs. 5,000
SEE/EE/2021-A 15 [ P.T.O.
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SECTION - B
(Electrical Engineering)
51. Asilicon solar cell has a short-circuit current 55. The integral form of Maxwell's equation
of 50 mA and an open-circuit voltage of V X E = 0 for static electric field is
0.8 V under full solar illumination. The (A) yD.ds =0
fill factor is 0.6. The maximum power s
delivered to the load by this cell is (B) ^p^dv =0
V
(A) 24 mW (C) |E.dI =0
L
(B) 66.6 mW
(D) c6B.ds =0
(C) 37.5 mW
56. Determine output waveform for the below
(D) 104mW circuit. Assuming an ideal diode.
R
52. The integration of the Poynting vector -VW 1 o+
V:= 10yp
over any closed surface gives the Tnangular
Wave of
(A) net power flowing inside that surface Period T
(B) no net power for that surface
(C) net power flowing out of that surface
+10V
(D) none of the above +4V
(A)
0 -l-H-
T/2 T
53. Superconducting metals and compounds
at ordinary temperatures are
(A) good conductors +10V
(B) 0
(B) bad conductors T/2
(C) no conductors
(D) none of the above
T
(C) ov T/2
-h
54. Rochelle salt is an example of
-10V
(A) semi-conductor material
/kVo
(B) magnetic material
T/2
(C) superconducting material (D) -I—
-4V
(D) piezoelectric material -10V
SEE/EE/2021-A 16
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57. Typically resistance of the FET for 61. A linear system satisfies the property of
each degree Celsius the temperature is (A) Law of superposition
raised.
(B) Law of homogeneity
(A) Decreases by 0.7%
(B) Exponentially decrease by 0.7% (C) Both law of superposition and
homogeneity
(C) Increases by 0.7%
(D) None of the above
(D) Neither increases nor decreases
58. The maximum efficiency of a class B 62. A system is represented by a differential
push-pull amplifier is equation y(t) + 4y(t) + 3y(t) = 2r(t),
(A) 79% where y(0)= 1, y(0)=0 and r(t)= 1 for
(B) 50% t ^ 0. The steady state response of the
system is
(C) 25%
(D) 98% (A) I
59. Given thatthe maximum gain of a low pass 2
filter using OPAMP is 5.5 and the resistor (B) 3
= 10 k£2 . Find the vaiue of FI2.
..c.
2
(C)
3
—WA 4
(D)
3
(A) 55 ka
63. the unit step response of a unity
(B) 220 ka feedback system with open loop
(C) 50 a
transfer function G(s)=(s +1)(s + 2)'
(D) -55ka
has a damping ratio of 0.75. The value
60. How parallel data can be taken out from of 'K' is
a shift register simultaneously ?
(A) 1
(A) Use the Q output of the last FF
(B) 2
(B) Use the Q output of the first FF
(C) 4 .
(0) Use the Q output of each FF
(D) Tie all of the Q output together (D) 6
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64. The sensitivity of the open loop system 67. A shunt generator delivers 450 A at
to change in the plant transfer function 230 V.Theshuntand armature resistances
G(s) is equal to are 50 Q and 0.03 respectively. The
(A) 0 generated e.m.f is
(B) 1 (A) 278.3 V
(C) 0.5 (B) 324.5 V
(D) -1 (C) 243.6 V
(D) 421.2 V
65. The addition of Pi controller in cascade
with plant 68. The stepping angle for a 3-phase,
(A) Increases damping 24 poles permanent magnet stepper
motor Is
(B) Increases the order of the system
(C). Produces oscillation in response (A) 157 step
(D) Reduces the order of the system (B) 57 step
(C) 1207 step
66. The relation between the total flux (D) 257 step
linkages and the current in the coil for
the magnetic circuit shown In Fig. 01 is 69. Synchronous motor speed is controlled
given by
by varying
, 61
(A) Field excitation
~ 21+ 1
The energy stored In the magnetic field (B) Supply voltage
for 0 < ^ < 2 wb-turns will be (C) Supply frequency
(D) Both supply voltage and supply
frequency
70. A 600 W, 115 V, 60 Hz capacitor-start
motor draws 13.8 A from the supply at
rated load. If the efficiency is 65% and
Fig. 01 rated speed is 1750 r.p.m., the input
power at rated load is
(A) 0.648 J
(A) 823.1 W
(B) 0.658 J
(B) 724.2 W
(C) 0.548 J
(C) 923.1 W
(D) 0.698 J
(D) 623.2 W
SEE/EE/2021-A 18
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71. The Poisson's equation for homogeneous 74, A uniform plane wave in air with
and non-homogeneous regions are E = 8 cos (cot-4x-3z)ay V/m is incident
2\/ P\
on a dielectric slab (z > 0) with Pr = ^
(A) V.(- G VV)= and VM = G ^ = 2.5 and a=0.The polarization of the
respectively wave is
(A) Circular
(B) v^V =" and V.(- e VV)= p,
respectively (B) Elliptical
(C) Perpendicular
(C) v2v ="P;>/ andV2V = 0. (D) None of the above
respectively
75, Forthe semiconductor material GaAs,the
(D) v.(-gVV)= p^ and V^V = 0. intrinsic carriers(per cubic centimeter)
respectively and relative mobility factor p^(cmW.s)
are
72. The major factor used for determining (A) Tij = 1.7x10®, p„=8500
whether a medium is good dielectric or (B) Tii = 1.5x101°, ^^=1500
good conductor
(C) Tii =2.5x101°, ^^=3900
(A) Attenuation constant
(D) Tii = 1.7x1012 ^^=1600
(B) Constitutive parameter (a, g, p.)
(0) Reflection coefficient 76, The relationship between electrical
power angle (5) and mechanical power
(D) Loss tangent
angle (5J is given by
73, If the planes at z = 0 and z = 4 carry
currents K = — 10aj^ A/m and (A) 5 = P6 m
K = 10aj^ A/m, respectively, then the
magnetic field intensity H at(1,1,1) is (B) 5 =
25m
(A) -lOayA/m
(B) lOa^A/m (C) 5
2P
(0) 100a^A/m
(D) -lOa^A/m
(D) 5 =|5,
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77. In case of three phase transformer 80. A three phase 1400 MVA,66 KV,4 Sec,
connected in a power system, a phase 1000 A is installed in a power system.
shift of-30° occurs when
Its short-time rating in terms of current
(A) Primary winding is delta connected
and time will be
and secondary winding is star
connected
(A) 132.5 KA for 6 seconds
(B) Both primaryand secondary windings (B) 1000 Ampere for 4 seconds
are delta connected (C) 2500 Ampere for 4 seconds
(C) Primary winding is star connected (D) 12.25 KA for 4 seconds
and secondary winding is delta
connected 81. The turn ON snubber circuit for a
(D) Both primary and secondary transistor does not contain
windings are star connected (A) Inductor
78. The relationship between total harmonic (B) Resistor
distortion and power factor is given by (C) Diode
(A) PF = '' (D) Capacitor
Vl +(THDy
82. The performance features of IGBT is
1
(B) PF = closer to
Vl+ THD (A) MOSFET
(C) PF =
1 (B) Diode
1 + THD (0) Transistor
1 (D) SCR
(D) PF =
%/THD
83. Which mounting technique is used for
79. Which of the following statement is thyristors of very high current rating ?
true in case of over current relays and
distance relays ? (A) Stud mounting
(A) Over current relays are double (B) Press-fit mounting
actuating quality relays while (C) Bolt down mounting
distance relays are single actuating
quality relays (D) Pressure mounting
(B) Both over current relays and
distance relays are single actuating 84. In a single phase voltage source bridge
quality relays inverter,the shape of load current mainly
(C) Over current relays are single depends on the
actuating quality relays while (A) Source voltage
distance relays are double actuating (B) Duration of conduction of thyristor
quality relays
(D) Both over current relays and (C) Load impedance
distance relays are double actuating (D) Duration of conduction of feedback
quality relays diode
SEE/EE/2021-A 20
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85. A chopper switch cannot be Implemented 89. The Fourier series of an odd function is
using composed of only .functions.
(A) Power BJT
(A) cosine
(B) Line commutated thyrlstor
(C) Power MOSFET (B) sine
(D) GTO
(C) tan
86. A 100 V battery is connected across a
resistor and causes a current of 5 mA (D) cot
to flow. Determine the resistance of
the resistor, if the voltage is reduced to
25 V, what will be the new value of 90. A pair of terminals at which a signal may
current flowing ? enter or leave a network having only one
(A) 20 KQ., 1.25 mA such pair of terminals is called as
(B) 20 a 1.25 A
(C) 1.25 KQ,20 mA (A) One port network
(D) 1.25 a,20 A (B) Two port network
87. Determine the Quality Factor (Q) of a (C) Three port network
10 mH inductor which has an internal
resistance of 7 ohms at a frequency of (D) Multi port network
1 KHz.
(A) 10 91. A continuous time system with input x(t)
(B) 62.8 and output y(t) related by y(t)= x(sln(t)) is,
(C) 8.97
(D) 7 (A) Causal and Linear
88. Find the value of current (i) in the circuit (B) Causal and Non-iinear
given below.
100 n (C) Non-causal and Linear
AWV (D) Non-causal and Non-linear
92. The circular convolution of following two
sequences is
x^[n]= {2, 1,2, 1}X2[n]= {1,2, 3, 4}
(A) {14,18,14,18}
220 a
(B) {14, 16,14,16}
(A) 25 mA
(B) 25 A (C) {16,14,16, 14}
(C) 50 mA
(D) 50 A (D) {14,12, 14,12}
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93. The inverse Laplace transform of 96. The opcode fetch machine cycle of 8085
X(s)= ■ , Re(s) <-3 is has T states.
s'^ +4s +3 (A) only four
(A) x(t)= (e-t + e-3t) u(t) (B) only six
(B) x(t)=-(e-* + e-3>)u(-t) (C) only eight
(D) four to six
(C) x(t)=(e"*-e-3*)u(t)
97. The 8085 has signals to respond
(D) x(t)= -e-* u(t) + e-3> u(t) to the externally initiated operations.
(A) three
(B) two
94. The inverse z transform of
(C) five
1
X{2)= - if ROC is (D) four
1-1.5Z-V 0.52-2
0.5 < |z|<1 Is 98. INR or DCR Instruction in the 8085
microprocessor does not affect
flags.
(A) x[n]=[2- 0.5"] u[n]
(A) zero
(B) x[n]=[-2 + {0.5)"]u[-n-1] (B) sign
(C) carry
(C) x[n]=[-2(1)" u(-n-1)- 0.5" u[n]] (D) parity
(D) x[n]=[-0.5 + 2"] u[n] 99. Which of the following Is the quick method
to clear the contents of accumulator of
95. Consider a causal LTI system as shown the 8085 microprocessor ?
in figure below. (A) MVIA,00
R=ia L=1H (B) CMA
—-VW—nnnnn- —0+
(C) ANiOO
=t C = 1F T (D) XRAA
y(t)
100. instruction is used to input
i serial data through the Serial Input
ifx(t) = sin(t), y(t) = ?
Data(SID) pin of the 8085 microprocessor.
(A) y(t) = -cos(t) (A) RIM
(B) y(t) = cos(t) (B) SIM
(C) y(t) = sln(t) (C) Dl
(D) y(t) = -sln(t) (D) El
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101. In case of an unsaturated Current 104. Static Synchronous Compensator
Transformer(CT)which of the following (STATCOM)'cannot be used for
statement is true ? (A) Damping oscillations
(A) Both magnetising impedance and (B) Load current control
exciting current are small (C) VAR compensation
(B) Magnetising impedance is fairly large
(D) Voltage control
while exciting current is small 105. For steam-turbo generators,the value of
(C) Magnetising impedance is small inertia constant(H) lies in the range of
while exciting current is fairly large (A) 1 to 3 MJ/MVA
(D) Both magnetising impedance and (B) 3 to 10 MJ/MVA
exciting current are fairly large
(C) 30 to 50 MJ/MVA
102. The maximum value of 'Rate of Rise of (D) 30 to 300 MJ/MVA
Restriking Voltage'(RRRV) is given by
106. In a thyristor, holding current (1^) is
the expression
(A) Greater than latching current (\^)
(A) = a/LC (B) Equal to latching current (IJ
(C) Less than latching current(IJ
(D) Equal to zero
Vlc
(B) RRRV,,,=
Vmax 107. In which of the following is a current
controlled device ?
V.max (A) BJT
(C) RRRV„„=
Vlc (B) SCR
(C) MOSFET
(D) DIAC
(D)
V } RRRV^.
max
108. A step-up chopper has V^ as source
103. Which of the following statement is true
voltage and a as the duty cycle. The
regarding amount of fault MVA and fault voltage at output of the chopper is given
current ? by:(Assume the system is lossless)
(A) Fault MVA and fault current is more (A) V3.(1+a)
for HV and EHV lines
(B) Fault MVA and fault current is more
in low voltage lines
(C) Fault MVA and fault current does (C) V3.(1-a)
not depend on line voltage
V„
(D) Fault MVA is high and fault current (D)
is low in HV and EHV lines (1 + a)
23
[ P.T.O.
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109. A single phase full bridge inverter can 113. The 8085 microprocessor has a READY
operate In load commutation mode in
signal which can be used to generate
case the load consist of
states.
(A) RLC underdamped
(B) RLC overdamped (A) Both wait and Idle
(C) RLC critically damped (B) Walt
(D) RL (C) Idle
110. A four quadrant operation of converter (D) None of these
circuit requires
(A) Two full converters connected in 114. The single byte instruction XTHL of
series the 8085 microprocessor has
(B) Two full converters connected back machine cycle.
to back in anti-parallel
(A) Five
(C) Two full converters connected in
parallel (B) One
(D) Two semi converters connected (0) Two
back to back in parallel (D) Four
111. The SIM instruction In the 8085 115. Which of the following instructions of
microprocessor does not affect the the 8085 microprocessor Is equivalent
Interrupt. to 1 -byte CALL instruction ?
(A) RST5.5 (A) SPHL
(B) Trap (B) XCHG
(C) RST7.5 (C) XTHL
(D) RST6.5 (D) RST2
112. A 8255 peripheral chip is interfaced In 116. A thermistor hasa resistance temperature
memory mapped 10. If address lines A coefficient of 5% over a temperature
through Ag are high. This chip getg range of 25°C to 50°C. If the resistance
selected. So what will be the address of of the thermistor is 100Q at 25°C, the
Porte? resistance at 35°C Is
(A) FFFE (A) WOQ
(B) FFFB (B) 10 Q
(C) FFFF (0) 50Q
(D) FFFD
(D) 5Q
SEE/EE/2021-A 24
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r>
117. A meter reads 127.5V and the true value 121. The current gain of differential amplifier
of the voltage is 127.43V. The static is
error is
(A) Infinite
(A) 0.07 V
(B) Positive and finite
(B) 0.7 V
(C) Zero
(C) -0.07 V
(D) Undefined
(D) 0.01 V
122. To obtain a very large voltage or power gain,
118. A digital voltmeter has a readout range we should use the configuration
from 0 to 9,999 counts. What is the
connection.
resolution of the instrument in volt when
the full scale reading is 9.999V ? (A) Comrhon emitter-Common base
(CE-CB) connection
(A) 0.1 V
(B) Common emitter-Common emitter
(B) 1 mV
(CE-CE) connection
(C) IV
(C) Common collector-Common emitter
(D) lOmV (CC-CE) connection
(D) Common collector-Common
119. In an energy meter, creeping indicates collector(CC-CC) connection
(A) Slow rotation of disc with the
energisation of both the coils 123. The gain of a RC phase shift oscillator
(B) Slow rotation of disc when both the constructed using OPAMP must be at
coils are not energised least
(A) 1.414
(C) Slow rotation of disc with no current
flowing through the current coil and (B) 29
only pressure coil is energised (C) 1.0
(D) Slow rotation of disc when current (D) 0.707
coil is energised but pressure coil
124. In a multi-level NAND circuit, the NAND
is not energised
gate function as gates in odd
120. In low power factor wattmeter, the numbered levels and as gates
compensating coil is connected in even numbered levels.
(A) in series with current coil (A) AND. OR
(B) in parallel with current coil (B) AND, NOR
(C) in series with pressure coil (C) NOR, AND
(D) in parallel with pressure coil (D) OR, AND
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125. In a N-bit weighted-register DAC the ratio 129. A synchronous motor is floating on
of the largest to the smallest register is infinite mains at no-load. Its excitation
is now increased
(A) 22N
(A) It will draw unity power factor
(B) 2N-1 current
(C) 2^ (B) It will draw zero power factor
lagging current
(D) 2^+1
(C) It will draw zero power factor
loading current
126. The full load efficiency of a shaded-pole (D) It will not draw any current
motor is about
130 The type of chopper commutation in
(A) 30 to 35% which a charged capacitor momentarily
(B) 60 to 70% reverse biases the conducting thyristor
to turn it off is known as
(C) 70 to 80% (A) Current commutation
(D) 80 to 90% (B) Voltage commutation
(0) Load commutation
(D) Resistance commutation
127. The e.m.f./turn of a single-phase
2200/220V, 50 Hz transformer is 131. A current of 2 A flows for 10 h through a
approximately 12 V. The number of 100 n resistor. The energy consumed
primary and secondary turns are by the resistor is
(A) 0.5 KWh
(A) 19 and 184
(B) 4 KWh
(B) 184 and 19
(0) 2 KWh
(C) 18 and 183 (D) 0.02 KWh
(D) 183 and 18 132. Find the voltage Vo in the circuit shown.
128. A 4 pole, 50 Hz induction motor runs at
20. .50,
10i2
a speed of 950 r.p.m. The frequency of
4A
rotor current is .20. V.
(A) 47.5 Hz
25 Hz (A) 3.9 V
(B) 6.7 V
5.0 Hz
(C) 5.2 V
2.5 Hz (D) 4.7 V
SEE/EE/2021-A 26
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133. Find the voltage at node A, as circuit 136. The characteristic equation of a feedback
shown. control system is.
20 Q A(V;^) 60 Q s'* + 5s^ + 20s^ + 20s + K = 0
1 WvV
■40 Q
:25Q The range of *K' for which system
3 -^50 a
I
l2-#60V remains stable is
^40 V
120 V
(A) 0<K<16
ov
(B) 0 < K < 32 ,
(A) 72.3 V
(B) 53.2 V (C) 0<K<48
(C) 31.2 V (D) 0<K<64
(D) 43 V
134. A filter which allows frequencies within 137. The polar plot of an open loop transfer
function is shown In figure.
a range and attenuates frequencies
outside the range is known as
filter.
(A) Low Pass
(B) High Pass
(C) Band Pass
(D) Band Elimination
135. Find the Thevenin's equivalent resistance
for the circuit shown.
an
—VWv 1 WVv oA
10Q
The closed loop system is
50 V 10 V
(A) Always stable
B (B) Marginally stable
(A) 6 ohms (C) Unstable with one pole on the RMS
(B) 3 ohms of the s-plane
(C) 3.75 ohms (D) Unstable with two poles on the RHS
(D) 6.75 ohms of s-plane
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138. A unity feedback system has transfer 141. When two equal voltages ofequalfrequency
5 but with 90°phase displacement are applied
function F(s)= . The Nyquist plot
s +2 to a CRO,the trace on the screen Is a
of the unit square (A) straight line
(A) encircled the zero at the origin but (B) circle
did not encircle the pole at s = -2 (C) rectangle
(B) encircled the pole at origin but did (D) point
not encircle the zero at origins
142. In a three phase electro-dynamometer
(C) never encircle the zero at origin and
pole at s =- 2 power factor meter, the angle between
(D) once encircled both pole at s = -2 the planes of the two moving coil is
and zero at origin (A) 90°
139. A widely used compensator that (B) 180°
possesses one zero and one pole (C) 120°
with the zero closer to the origin of the
s-plane, which increases the system (D) 0°
bandwidth and improves the dynamic
response is called 143. The deflecting torque of an ammeter
(A) Integration compensator varies on the square of the current
passing through it. If a current of
(B) Phase lead compensator
5 Amp produces a deflection of 75°,
(C) Phase lag compensator what deflection will occur for a current
(D) Lead lag compensator of 3 Amp when the instrument is spring
controlled ?
140. A state model of a physical system is
(A) 21.1°
0 1
X(t)= X(t)+ r(t) and (B) 27°
-1 -2
(C) 36.6°
= ["I *1] X(f) with initial condition (D) 32.4°
0"
The impulse response of the
X(0)=0 144. Which of the following bridge is suitable
for the measurement of inductor having
system is Q greater than 10 ?
(A) e,-t (A) Maxwell bridge
,-2t
(B) e (B) Hay bridge
(C) 1-e-» (C) Schering bridge
(D) 1 - e-2t (D) Wien bridge
SEE/EE/2021-A 28
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145. A coll with a diameter of 0.5 m and length 148. The Fourier Transform of a rectangular
0.7 m is wound with 100tums of wire. What pulse 2 seconds long (0 to 2 sec.) with
is its inductance if the material of the core magnitude of 10 volts will be
has a permeability of 7.5 x 10 H/m ?
(A) 20 e^^ Sinco)
(A) 2.1 mH
(B) 20e-^®Sinco
(B) 2.1 H
(C) 10 Sincco
(C) 4.2 mH
(D) 4.2 H (D) lOe^^Sinco
148. A band limited signal with maximum 149. DTFT of x(n) = al"l is
frequency of 7 KHz is to be sampled.
According to Sampling Theorem, the 1 + a'
valid sampling frequency is (A)
1-2acosco+a'
(A) 7 KHz
1-a'
(B)
(B) 10 KHz 1-2acosro+a^
(C) 25 KHz 1
(C) 1H +
.O .2
2acosco + a'
(D) 12 KHz
1-a^
147. The impulse response of an LTI system (D)
1+2acosco+a
is h(t) = u(t). For the input of
x(t) = e~®* u(t), a > 0, the output will be
150. Let X(k) be an N-point DFT of a real
(A) y(t) = l(1-e->)u(t) sequence x(n), 0 < n < N - 1, then the
a
DFT of X*(n) will be
(B) y(t) =(1 - e-') u(t) (A) -X(N-K)
(B) X*(N-K)
(C) y(t)=I(1+e-^')u(t)
a (C) X*(K-N)
(D) y(t) =(1 + e-^) u(t) (D) X*(N + K)
SEE/EE/2021-A 29 [ P.T.O.
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/ rough work SEE/EE/2021-A 30
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/ ROUGH WORK
SEE/EE/2021-A 31 [ P.T.O.
I
Text of page 32
/ ROUGH WORK
h-3
Xfl
SEE/EE/2021-A 32
Text of page 4
Ql)<p Sll-lii-*!,
3ff^ v^a7V
SET-(C)
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\d5Xl'< \dal>C v3al'< VJOIX
?FTT^ imim 5Pwn «5*11CP
1 D ~26~ D 51 76 B 101 B :26
Id 27 52 B 77 102 ¥"
28 53 78 D 103 TT
Delete 29 54 B 79 104 TT B&D
30 B 55 80 105 B W
31 56 D 81 B&D 106 ¥ TT D
32 57 82 B 107 TT
33 D 58 83 108 TT D
D 34 ¥ 59 Delete 84 109 B TT ¥
10 35 ¥ 60 85 B 110 TJ ¥
TT B&D 36 61 86 111 TJ ¥
B 37 62 87 112 TT
Bi&C 38 D 63 B 88 D 113 D TT D
"14" 39 64 89 B&C 114 ¥ TT
"15" A&C 40 B 65 90 D 115 Delete 40" D
"T^ 41 ¥ 66 B 91 Delete TT6" TT A&C
IT 42 ¥ 67 ¥ 92 117 B 'TT B
Ts" B 43 ¥ 68 93 D 118 ¥ TT B
I9 44 69 D 94 119 ¥ TT
To D 45 D 70 95 120 TJ
~2l 46 71 D ~9^ 121 TJ D
TT D 47 72 97 122 B TT
TJ ~B 48 73 B 98 123 TT B
24 ~B 49 B 74 99 124 TT ¥
TJ 50 A,C,D 75 D 100 D 125 D Jo ¥
tlffSIT Pl4^ch
Text of page 7
Ql)<P
3ff^ vicnv
SET-(B)
^ arterf^i^ ^eTT-202i :- WTHT ^sm^^^ ^
\d(Xl'< \dal^ y^ VJal'< y^ \d<xix 3?^ vioiy y^ vjca^
y>w Jp^icp sFTiy^ y>w PP+iicp
1 26 D 51 D 76 101 126
27 D 52 B 77 102 127
28 53 B 78 103 B 128
B 29 Delete 54 D 79 B 104 129
A,C,D 30 55 B 80 105 B 130
B&D 31 56 D 81 D 106 B 131
7 B 32 57 D 82 107 D 132
B&C 33 58 83 108 133
34 D 59 D 84 109 134 B
10 A&C 35 60 85 D 110 D 135 B
11 D 36 61 B 86 111 D 136 B
12 D 37 62 87 B 112 D 137 D
13 B 38 B 63 B 88 B 113 138 B
14 39 64 B 89 114 B 139
15 D 40 D 65 90 115 140
16 D 41 66 D 91 116 B 141
17 42 D 67 A&C 92 117 142 B
18 43 B 68 D 93 A&B 118 B 143 B
19 44 B 69 94 D 119 144 B
20 B 45 70 B 95 120 D 145 B
21 46 71 96 121 B 146
22 47 72 D 97 122 147
23 D 48 D 73 Delete 98 B 123 148 B
24 B 49 74 99 124 B 149
25 B 50 B 75 B 100 125 B 150
Text of page 10
c|^^
SET-(A)
^STT ^■^: - ad^Wj^Rfr ^ 11^6^-2021 :— ■^TFTF^T a?SZT^
1?^ VJOl^ \d(Xl'< v3cH^ \b^'< X3?^ WR
jp+licp fl7+licp pp*iicn 5FW jp*iicp
1 26 B&D 51 B 76 101 126
27 B 52 D 77 D 102 B 127
B 28 B4&C 53 B 78 103 D 128 D
29 54 79 B 104 129 B
D 30 A&C 55 D 80 105 B 130
D 31 56 81 106 B 131
D 32 57 82 B 107 B 132 B
33 58 83 108 D 133 D
Delete 34 B 59 B 84 109 D 134
10 35 A,C,D 60 85 110 B 135
11 36 D 61 B 86 B 111 136 D
12 37 D 62 87 D 112 137
13 D 38 B 63 D 88 113 B 138
14 39 64 A&B 89 114 D 139 D
15 B 40 D 65 90 B 115 B 140
16 41 66 91 116 D 141
17 42 67 B 92 117 142 D
18 D 43 68 93 D 118 143 D
19 B 44 D 69 D 94 B 119 Delete 144
20 B 45 70 95 120 145
21 D 46 71 B 96 B 121 146
22 47 D 72 97 D 122 D 147
23 48 B 73 98 123 148 B
24 49 B 74 D 99 124 D 149 D
25 B 50 75 100 D 125 B 150
Page 1 of 32
Source: Madhya Pradesh Public Service Commission. Question paper published by Madhya Pradesh Public Service Commission.