JPSC Assistant Engineer 2021: Assistant Engineer Written Exam, Advt. No. 08/2018 and 08/2019, CIVIL ENGINEERING PAPER-1-SUBJECT-CODE-02
Text of page 1
BooHes AEUD Booklet No.
QUESTION BO0ELET
CIVIL ENGINEERING 762645
PAPER - I (02)
Tine Anowed : 2 Hours Maximum Marks : 200
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1. What isthepolarmodulus ofa solid i 5 A /mild steel bar of uniform crossL
circular metal shaft of diameter 8 cm ? •section `A' and length L is 'subjected to
(A) 647tcm3
i :or:dfa±t]::dba`rww';u¥:estrain energy
(8) 327tcm3
(C) 167tcm3 I (A).H
a)) 87icm3
I (B) EH
2. A solid circular shaft has a' diameter d.
Its polar modulus will be
(A, #d2
(8, £d3 6. The radius of Mohr's circle is zero
when the state of stress is such that
(c, #d3 (A) Shear stress is zero.
(8) There is pure shear.
(D, £d2
(C) There is no shear stress but
identical direct stresses.
3. A circular shaft rotates at 200 rpm and (D) There is no shear stress, but equal
is subject to a torque of 1500 Nm. The direct stresses, opposite in nature,
power transmitted would be in two mutually perpendicular
directions.
(A) 107,kw
a) 157tkw
7. A simply supportedbeam of span `L' is
•(C) 207[kw
subjected to a concentrated load W at
(D) 3o7tkw midspan. The strain energy due to
bending in the beam would be
4. In the case of a rectangular beam
subjectedtoatransverseshearingforce, (A, #gE1
I the ratio of maximum shear stress to
average shear stress is a3) 96EI
(A) o.75 w2L3
(C)
(8).1.00
(C) 1.25
a)) 1.50
@)#
02' Series-A .
Text of page 3
8. A cantilever carries a load P at C as A solid metal bar of uniform diameter
shown, in the given figure. The D and length L is hung vertically from
deflection at a is a ceiling. If the density of the material
of the bar is e and the modulus of
elasticity is E, then the total elongation
of the bar due to its own weight is
eL/2E
eL2/2E
(A, #(L-D
eE/2L
eE/2L2
@, #q-D
11. Creep is the gradual increase of
(c) #(Li)
(A) Plastic strain with time at
constant load.
@) #(Li) (8) Elastic strain with time at
constant load.
(C) Plastic strain with time at varying
9. Considerthe following statements : load.
A simply-supported beam is subjected (D) Elastic strain with time at varying
load.
to a couple somewhere in the span. It
would produce
12 The strength of the beams malnly
1. ArectangularsFdiagram
depends on
2. ParabolicBMdiagram
(A) Bending moment
3. Both(+ve) and(-ve)BMswhich a) Centre of gravity of the section
are maximum at the point of (C) Section modulus
application of the couple.
a) Itsweight
Of these statements :
The point of contraflexure is also called
(A) 1,2 and3 arecorrect.
(A) the point of inflection
a) 1 and2 arecorrect.
a) avirtunlhinge
(C) 2 and3 arecorrect. (C) Either of these
a) 1 and3 arecorrect. (D) None of these
Series-A 02
Text of page 4
14. Modulus of elasticity is defined as the 18. In a cantilever with uniformly
ratio of . distributed load the shear force varies
following a
(A) Shear stress to shear strain
(A) Linear law
a) Linear stress to linear strain
(8) Parabolic law
(C) Linear strain to lateral strain (C) Both(A) and(B)
(D) Lateral strain to linear strain a)-None of these
15. In case ofa circular section, 19. Bending moment at supports in case of
sinply supported beams is always
1
(A) Tmax=Ztmean (A) less thanunity
@) more thanunity
4
(8) tmax=?tmean (C) zero
a) Noneofthese
3
(C) tmax=Ztmean
20. If the axial deformation is neglected,
5
what is the kinematic indeterminacy of
(D) tmax=Ztmean
a single bay portal frame fixed at base ?
(A)2
16. Force method in structural analysis (8)3
always ensures (C)4
(A) compatibility of deformation a)6
a3) equilibriui offorces
21. A single-bay portal frame of height h,
(C) kinematically admissible strains
fixed at the base, is subjected to a
@) overall safety horizontal displacement 8 at the top.
The base moments developed are each
proportional to
17. At the point of application of a
conc'entrated load on a beam there is
(A) sudden charge of slope of B.M.
diagram a3)i
a3) maximunB.M.
(c)±
(C) point ofcontraflexure
a) maximum deflection a)i
02 Series-A
Text of page 5
22. Due to some point load anywhere on a 25. The mo'ment distribution method in
fixed beam, the maxinuln free bending structural analysis falls in the category
moment is M. The sum of fixed end of
moments is
(A) Displacement inethod
(A)M
a) Force method
a) 1.5M
(C) Flexibility method
(C) 2.OM
a)) First order approximate method
a) 3.OM
23. Muller-Breslau principle is applicable 26. A fixedbealn is loaded as in figure. The
to get influence line for which one of fixed end moment at support A ?
the following ?
(A) Reaction at the ends of a simple
a)
beam
Bending moment at a section kL --i
(C) Shear force at a section (A;) wr2130
a) Forces and moments at any @) wpreo
section
(c) wpl10
®r) w,218
24. Ifa point load acting at the mid-span of
a fixed beam of uniform section
produces fixed end moments of 27. The displacement method is also
60 kNm, then the same load spread
referred to as which. one of the
uniformly over the entre span will
following ?
produce fixed end moments equal to
(A) Minimum strain energymethod .
(A) 20kNm
' @) Maxwell-Mohr method
@) 30kNm
(C) 40INm (C) Consistent deformation method
@) 45INm a)) Slope-deflection method
Series-A 02
Text of page 6
28. Clapeyron.'s theorem is applied to 32. The moment capacity of a section at
(A) Simply supported beam plastic hinge equals
a3) Propped cantilever beam (A) Yield moment
(C) Fixed and continuous beam
a) Zero
a) Continuous beam only
(C) Full plastic moment
a) Twice the yield moment
29. The number of independent equations
to be satisfied for static equilibrium in a
space structure is
33. The shape of the Cross-section, which
(A)3 has the largest shape factor is
a3)6
(A) Rectangle
(C)4
• a) I-section
a)2
(C) Diamond
30. Which one of the following is true for a (D) Solid circular
statically deteminate beam ?
(A) One end is fixed andthe other end
is simp.1y supported. 34. The shape factors ofa triangle section
and a diamond section are respectively.
(8) Boththe ends are fixed.
(C) The beam overhangs over two (A) 2.343 and2.0
supports.
a) 2.Oand2.343
a) The beam is supported on three
(C) 1.343and2.0
supports.
(D) 2.Oandl.343
31. What is the number of plastic hinges
formed if an indeterminate beam with
35 TheplasticmomentcapacityMpis
redundancy R is to become determinate ?
(A) less than the yield moment
a) equal to the yield moment
(C) greater thanthe yield moment
a) dependent on section dimensions
02 Series-A
Text of page 7
36. Whatvalue of the shape factor is taken. 40. . Web crippling is causedby
for .a rectangular section in plastic
(A) Excessive bending moment
design ?
a) Failure of web under point loads
(A) 1.o
(C) Widthofflanges .
(8) 1.5
(C) 2.0 a) Colurm action of web
(D) 2.5 -
41. How are the most commonly produced
37. At the location of plastic hinge and used structural elements in frames,
floor beams, etc. with high mome.nt of
(A) radius of curvature is infinite
inertia about x-axis, are designated ?
- a3) curvatureisinfinite
(A) ISWB-section
(C) moment is infinite
a3) ISLB-section
(D) flexural stress is infihite
(C) ISMB-section
38. Which one of the following is the load @) ISIIB-section
factor ?
(A), Live load/Dead load 42. Which one of the following is a
a) Failure load/Working load compression member ?
(C) Total load/Deadload
(A) Purlin
a) Dynamic load/ Static load
(a) Boom
39. The effective flange area in tension ofa (c) Girt
plate girder is equal to (D) Tie
(A) Af
43. The effective length ofa battened strut
(B) Af+¥ of actual length L, effectively held in
position at both ends but not restrained
(c) Af+# in direction, is taken as
(A)L
@) Af+#
a3) 1.1L
where Af is the area of each flange and (c) 1.5L
Awisthe;rea9fweb.
@) 1.8L
Series-A 02
Text of page 8
44. The best-suited rolled steel section for 48. The common assulnption that all rivets
a tension inember is share equally a non-eccentric load is
valid at a load
(A) Angle section
(A) below the working load
@) . T-section
03) equal to the working load
(C) Chamel section (C) above the working load
a) Flat section (D) equal to the failure load
49. Which of the following steel sections
45. The effective length of the fillet weld is should preferably be used at places
where torsion occurs ?
(A) Total length-2 x throat size
(A) Box-type section
a3) Total length-2 x weld size
a3) Charmel section
•(C) 0.7 xthroatlength
(C) Angle section
a) Anyofthese
a) Total length-
The order of elongation which a
specimen of mild steel undEIgces
46. Which one of the following is the mode before fracture is
of failure in' a fillet weld material ?
(A) 0.1%
• a3) 1%
(A) / Tension
(C) 10%
a3) Shear
a) 100%
(C) Bearing
a) Crushing 51 The appropriate expression in assessing
development length is
Os
47. The perlnissible stresses in rivets under
(A) Ld=ii=
wind load conditions as per IS : 800 can
be exceeded by about
•, Ld-¥
(A) 150/o
@) 25%
'(c) 33% •c, Ld-z=
Os
a) 50% a)) Ld-fa i ,
02 Series-A
Text of page 9
52. High strength steel used in prestressed 56. What is the minimum number of
concrete 6an take how much maximum longitudinal bars provided in a
strain ? reinforced concrete colulnn of circular
cross-section ?
(A) 2%
(a) 3%
(C) 4%
a)6%
53. In apre-stressedmember, itis advisable ` 57. In limit state approach, spacing of main
to use reinforcement controls primarily
(A) low strength concrete (A) Cracking
a) high strength concrete (8) Deflection
(C) high-strength concrete and high- (C) Ifuability
' tension steel
a) Collapse
(D) high-strength concrete and low-
tension steel 58. Factor ofsafetyis theratio of
(A) tensile stress to working stress
54. Design of foundation for a large a) compressive stress to working
generator is guided, prinarily by stress
(A) Frequency (C) bending stress to working stress
a) Defomation a) yield stress to working stress
(C) Strength
59. Shear resistance of concrete in a
@) Stifliness
reinforced concrete beam is dependent
On.
55. The critical section for two-way shear (A) Tension reinforcement in the
of fi;oting is at the beam
(A) face of the colurm (8) Compression reinforcement in
the beam
@) distance d fromthe colurm face
(C) Shea; reinforcement in the b-Cam
(C) distance d/2 fromthe column face
a)) None of the reinforcem;nt in the
a) distance 2d from the column face beam
Series-A 02
Text of page 10
60. As. per IS 456-2000, the maximum 64. For the purpose of design as per
permissible shear stress, tc max is based IS : 456, deflection of RC slab or beam
On
is limited to
(A) Diagonal tension failure (A) 0.2°/o of span
a3) Diagonal compression failure (8) 0.25% of span
(C) Flexural tensioi failure
(C) 0.4% of span
a) Flexural compression failure
.a)) 0.450/o of span
61. When HYSD bars are used in place of
mild steel bars in a beam, the bond 65. The maximum depth ofneutral axis for
- strength
a beam with d as the effective depth, in
(A) does not change limit state method of design for Fe415
steel is
@) increases
"(C) decreases
(A) 0.46d
•@) becomeszero
a3) 0.48d
(C) 0.50d
62. L`ap length of reinforcement in
compressionshallnot.belessthan a) 0.53d
(A) 30dy
a) 24® 66. The degree of static indeterminacy of
the rigid frame having two intemal
(C) 20dy
hinges as shown in the figure below is
(D) 5dy
I
wheredyisthediaieterofbar HG JE
63. `Torsion reinforcement provided at the
comers of a two-way slab F
(A) distributes bending. moment
rfe
uniformly
a3) prevents Cracking from lifting
(C) controls Cracking at comers
a) does not allow any twist at
comers
02. Series-A
Text of page 11
67. '' The unit load method used in structural 70. What is the ordinate of influence line at
analysis is 8 for reaction RD in figure below ?
(A) applicable only to statically BC
indeterminate structures
L2 * 2 .* 4=RD
a) another name for stiffness
method (A) 0.5
(C) an extension of Maxwell's a3) 0.4
reciprocal theorem
a,) derived from Castigliano's
theorem
68. Shrinkage in a concrete slab 71. As per IS-456 : 2000, side face
•reinforcement in a beam is provided
(A) causes shear cracks
where depth of the web exceeds
a) causes tension cracks
(C) causes compression cracks (A) 75omm
(D) does not cause any cracking a) 25.Omm
(C) 500mm
69. A three-hinged arch of span L and rise
R is subjected to a concentrated load P (D) 1ooomm
at the crown point. The horizontal
thust at the support is
72. The limits of percentage `p' of the
(A)g ` longitudinal reinforcement in a column
is
PL
a) R (A) 0.15%to2%
PR
(C) ir @) o.8%to4%
(C) Ot8%to 6o/o
", :``#
a) 0.80/oto8%
` Series-A 02
Text of page 12
73. A.live load 20 !IN/in, 6 in long, moves 76. What is the time by which the
•completion of an activity can be
on a simply supported girder AB 12 in
long.Formaximumbendingmomentto delayed without affecting the stan of
occur at 4 in from left end A, where
succeeding activities, called ?
will the head of load be as measured
from A ? (A) Total float
(A) 4m a3) hterfeing float
a)6m (C) Independent float
(C) 8m @) Freefioat
a) 10m
77. Which one of the following project
74. The purpose oflateral ties in a shortRC marmgement techniques is deterministic . .
colurm is to
in natue ?
(A) avoid buckling of longitudinal
(A) CPM
bars.
a) PERT
(8) facilitate compaction of concrete.
(C) increase the load carrying (C) GERT
capacity of the colurm.
@) LCES
a) facilitate construction.
78. Which one of the following is
75. In pre-stressed concrete, high grade associated with a critical activity in a
concrete is used for
A-O-A network ?
(A) controlling the pre-stress loss
(A) Maximum float
a) having concrete oflow ductility
(8) Minimum float
(C) having concrete of high
brittleness (C) Zero float
a) having low creep @) Free float
02 2 S Cries-A
Text of page 13
79. Slack time is associated with 83. A serious limitation of inter
(A) A real.activity dependences between various activities
is generally observed in
a3) Anevent
I (C) Both event and real activity
(A) Bar charts
@) Dummy activity (8) Milestone charts
(C) . Network analysis
80. Critical path moves along the activities
a) Joblayout
having total float as
(A) Positive
84. The amount of time by which the start
(8) ,,Negative
of the activity may be delayed without
(C) Zero
interfering with the start of any
(D) Unity
succeeding activity is called
(A) Activity float
£ 81. InpERT analysis, thetime estimates of
activities follow @) Free float
(A) Normal distribution curve (C) Total float
a) a-distribution cure a) Interfering float
(C) Poisson's distribution curve
@) Binomial distribution curve
85. In a construction project, the cost-slope
• of an activity is an indication of
82. Slack time in PERT analysis
(A) extra-time needed
(A) can never be greater than zero
a) extra-cost needed
(8) is always zero for critical
activities (C) reduction of durability of critical
activity
(C) can never`be less than zero
a)) is-minimum for critical events a) crashing of an activity
Series-A 02
Text of page 14
86. Hydration of which compound is 90. The moisture content in a properly
res.ponsible for increase in strength of seasoned timber will be in the range of
• cement in later age?
(A) 5%to8%
(A) Tri-Calcium Aluminate (C3A)
a) 8%tol0%
a) Tetra-C;1cium Aluminoferrite
(C) 10%tol2%
(C4AF)
@) 120/otol5%
(C) Tri-Calcium silicate (C3S)
a) Di-Calcium silicate (C2S)
91. In the cross-section of a timber,
cambium layer`can occur in
87. Gypsum is used as an admixture in
(A) Irmerbark and sap wood
cement grouts for
a) Pith andHeartwood
(A) accelerating the setting time
(C) Sap wood andHeartwood
a) retarding the setting time.
(C) increasing the plasticity. a) Outerbarkand sap wood
a)) reducing the grout shrinkage.
92. A mortar for which both cement and
88. Efflorescence of bricks is due to lime are mixed is called
(A) Excessive burning of bricks. (A) Gauged mortar
a) High silt content in brick clay. @) Cement mortar
(C) High porosity of bricks.
(C) Lime mortar
a) Soluble salts present in parent
(D) Light weight mortar
clay'
89. Which method of curing of concrete is 93. Guniting is the application of mortar
recommendable for rapid gain . of
(A) on a surface under pneumatic
strength of concrete ?
pressure.
(A) Sprriing wiatef `
a) on avertical surface.
q3) Membrane cing
(C) on brickwork by rianu`al method.
(C) High-pressure steam curing
(D) of fluid consistency for repair
(D) hfrired radiation curing
works.
02 14 Series-A
Text of page 15
94. `Lime mortar is generally made with 98. The major and minor principal stresses
(A) Quick lime at a p`oint are 3 NI'a and -3 Mpa
• (8) Fatlime
respectively. The maximum shear
(C) Hydraulic lime
stress at the point is
@) whitelime
(A) zero
95. The standard size ofabrickis
(A) 20cmxl0cmxl0cm a) 3Mpa
a3) 19cmx9cmx9cm
(c) 6ina
(C) 18cmx9cmx9cm
a) 18cmxl06mxl0cm a) 9Mpa
96. A cantilever AB of length / has a
moment M applied at free end. The 99. Sh?ar span is defined as the zone where
deflection at the free end 8 is
M2' (A) Bending moment is zero.
(A) i5r
a) Shear force is zero.
M£
(8) ZEE
(C) Shear force is constant.
I (D) Bending moment is constant.
I 5 kN/in
97. A beam of length `J' fixed at both the
ends carries a udl `w' per unit length
throughout the span. The bending
` moment at the ends is At what distance from left support of
EIRE the above beam is the shear force zero ?
(A) 8
unma
(A) 1m
(8) iz_
@) 1.25m
w'3
(C) iF (C) 1.5m
wP
a) in @) 2.5m
Series-A 02
Text of page 2
JHARKHAND PUBLIC SHRVICE COMMISSION
Revised Answer Key
Assistant Engineer (Civil, MechanicalAIlectrical) Advt. No.-08/2018 and 08/2019
Subject- (General Ability Test)
Ouesti on Nos.
Revised Correct ®pfron
series - A series - a Series - C Series - D
QUESTION IS INCORRECTTWOMARKSRILLBEGIVENTOALL
57 26 5 93
81 55 34 18 8
84 53 32 16 BOTH C & D ARE CORRECT
97 66 SO 34 A
EEEu]
:rhian
Controlle ination
Jharkhand Public Service Commission,
Ranchi
Text of page 3
JHARKHAND PUBLIC SERVICE COMMISSION
Revised Answer Key
Assistant Engineer Advt. No.-08/2018
Subj ect- (Mechanical Engineering Paper-I)
Ouesti on Nos*
Rchsed Correct Option
Series - A series - 8 series - c Series - D
41 2S 4 83 A
42 21 5 84 8
52 31 15 94 C
53 32 11 95 A
60 39 18 97 C
79 S8 37 16 C
83 62I 41 25 A
9r-(:L- ,A
EE
I HillF
Controller f tlon
Jharkhand Public Service Commission,
Ranchi
Text of page 4
JHARREAND PUBLIC SERVICE COMMISSION
Revised Answer Key
Assistant Engineer Advt. No.-08/2018
Subj ect-(Mechanical Engineering Paper-H)
Ouesti on Nos,
Revised Correct a Pfiun
series - A series - 8 series - c series - D
ALL OPTIONS AREINCORRECTTWOMARKSWELLBEGIVENTOALL
29 11 94 67
34 14 100 71 C
45 25 8 79 BOTH A & 8 ARE CORRECT
ALL OPTIONS ARECORRECT
80 63I 46 17
01
Controller fExaination
Jharkhand Public Service Commission,
Ranchi
Text of page 5
JIIARKIIAND PUBLIC SHRVICE COMMISSION
Revised Answer Key
Assistant Engineer Advt. No.-08/2018
Subject- (Civil Engineering Paper-I)
Question Nos.
` Series - 8 ' Revised c\®rreefo H.
tion I
series - A series -, c sutes - D
12 90 67 47 C
13 91 68 44 A
16 94 71 51 A
31 9 86 62 C
63 41 18 94 8
8S 63, 40 19 D
th
Jharkhand Public Service Commission,
Ranchi
Text of page 6
JHARKHAND PUBLIC SEIRVICE COMMISSION
Revised Answer Key
Assistant Engineer Advt. No.- 08/2018
Subject- (Civil Engineering Paper-H)
Ouestio n Nos.
' Series - A Revised C®rmeef Oprfum
• series - 8
Series ~ C series - D
2 79 61 40 C
44 24 2 81 A
62 39 20 99 D
84 61 39 18 8
88 651 43 22 8
p-|`` fi
E=
Controller o Examination
Jharkhand Public Service Commission,
RanchiPage 1 of 15
Source: Jharkhand Public Service Commission. Question paper published by Jharkhand Public Service Commission.