WBPSC JE 2018: All papers, Junior Engineer (Civil) 2017

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..I. E. ( ct vlr ) TEC/17
DO NOT OPEN THIS BOOKIJT T]NTIL YOU ARE ASKED TO DO SO
TEST B(X)XLET SERIES
201E
TEST BOOKLET
CTVIL ENGINEERING
Time allowed: 2 hours
Full marks : 200
Answer aJI the questions.
Questions are of equal value
Scrial No.
" 0g$g89 Roll No.
Signduru ol the Candidole:
INSTRUCTIONS
Candidates should read the following instructions carefully before answering the questions:
1. This booklet consists of 12 pages including this front page, containing 100 questions. Verifr the Page Nos. and
Test Booklet Series on each page and bring at once to the Invigilator's notice any discrepalcy.
2. Answers will have to be given in the Special Answer-Sheet supplied for the purpose
3. Before you proc€ed to mark in the Answer-Sheet in response to various items in the Test Booklet, you have to
fill in some particulars in the Answer-Sheet as per instructions sent to you in the Admit Card. Do nat fold thc
Answer-Sheet as this will resuh in error in your mark*
4. All questions are of multiple-choice answer-q/pe. You will find/ozr probable answers (A), (B), (C) and (D)
against each question. Find out which of the four answers appears to you to be correct or the best. Now darken
the circle corresponding to the letter of the selected answer in the Answer-Sheet with Black BaII Point Pen
as per instructions prinied on the reverse of the Admit Card and in the Answer-Sheet.
5. One and only one circle is to be frrlly blackened for answer. Any spot in any other circle (multiple circle) or
in wrong circle will be considered as wrong answer. If more than one circle is encoded for a particular answer,
it wilf be treated as a wK)ng answer.
6. There will be ncgative marking for tetong .n swers. 2/3 mark witl be deducted for each bTont aru;wet,
7. There is a blank page ot the end of this booklet for Rough Worh
8. The Special Answer-Sheet should be handeil over to the Invigilotor before leaving the Dx@it ttioo flgIL
You an permified to t*,awoy the useil Test Boowet & cn*l $*.*pWa_
Please T[rn Over
Text of page 2
lEc/17 B-2
1. Unit ofmeasurement for roofing tiles is specified 6. Sum of the tread and the riser must lie between
in terms of (A) 300 to 350 mm
(A) sq. m. (B) 400 to 450 mm
(B) cum. (C) 500 to 550 mm
(C) number (D) 600 to 700 mm
(D) ke
7. Paints with white leadbase are suitableforpainting
2. Grader is mainly used for of
(A) rimming and finishing (A) wood work
(B) shaping and trimming (B) iron work
(C) finishing and shaping (C) both wood work and iron work
(D) finishing, shaping and trimming (D) None of the above
3. Unless otherwise specified, thickness of plaster
8. To make ten cubic metre of 1 : 2 : 4 by volume
should be kept
concrete, the volume of coarse aggregates required is
(A) 6 mm to 12 mm
(A) 9.5 m3
(B) lOmmto l2mm
@) 8.5 m3
(C) 12 mm to 25 mm
(C) 7.5 m3
(D) None of the above
(D) 6.5 m3
4. Which of the following foundation is used for
weaker soil? 9. Minimum width of landing should be
(A) Column footing (A) equal o width of stairs
(B) Grillage footing (B) half the width of status
(C) Raft footing (C) twice the width of stairs
(D) All ofthe above (D) one fourth the width of stairs
5. The minimum height of a head room is 10. With increase in w/c ratio in a concrete mix
(A) 2.1 m (A) strength decreases and workability increases
(B) 2.5 m (B) strength and workability decreases
,,.,t 2i1,7 (C) workability increases
'{G)
(D) 3 ml !)hs$i nDrs sr\l \tr r:,i!"'1",',$rrl ':}i\o i': (D) snength inoeats and workability decreases
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B-3 IEC|17
11. The shear stress at the centre of a circular shaft 16. When a cantilever beam is loaded with uniformly
under torsion is disributed loads, the bending moment diagram will be a
(A) zero (A) horizontal straight line
@) minimum (B) vertical straight line
(C) maximum (C) inclined straight line
(D) infinity (D) parabolic curve
12. Two beams, one of circular cross-section and the
other of square cross-section, have equal area of cross-
17. The Poisson's ratio for steel varies from
section, when this beam are subjected to bending?
(A) O.23to0.27
(A) Both beams are equally economical
(B) 0.25 ro 0.33
(B) Square beam is more economical
(C) 0.31 to 0.34
(C) Circular beam is more economical
@) 0.32to0.42
@) None of the above
13. When a cantilever beam is loaded at its free end,
the maximum compressive stress shall develop at lE. The lengrh of a conical bar is l, diameter of the
base is d and weight per unit volume is Ir. It is fked at its
(A) bonom fibrc
upper end and hanging fteely. The elongation of the bar
@) top fibre under action of its own weight will be
(C) neutral axis (A) i,tzDE
(D) centre ofgravity (B) wPl4E
14. The section modulus of a circular section about (c) wPt6E
an axis through its C. G., is (D) wPtgE
1I .
(A't
7xd'
E 19. Modular ratio of two materials is the ratio of
@) ro' d2 (A) linear stress to linear strain
(c) !-, d3 (B) shear sress to shear strain
76 (C) their modulus of elasticities
(D) Lrd3 (D) their modulus of rigidities
32
15. When the shear force diagram is a parabolic
curve between two points, it indicates that there is a 20. Slendemess ratio of a compression member is the
(A) point load at the two points ratio of effective length of the compression member to
the
@) no loading between the two points
(C) uniformly distibuted load between the two (A) area of cross section
points (B) moment of inertia
@) uniformly varying load between the two (C) radius of gyration
points (D) None of the above
Please T[rn Over
Text of page 4
IEC/17 B-4
21. Which of the following is the best compression 26. Speed regulations on road is decided on the basis
member section? of
(A) Single angle section (A) 60 percentile cumulative frequency
(B) Double angle section (B) 75 percentile cumulative frequency
(C) I-section (C) 80 percentile cumulative frequency
(D) Tubular section (D) 85 percentile cumulative frequency
22. Butt weld is specified by 27. When the bituminous surfacing is done on alrcady
existing black top road or over existing concrete road,
(A) leg length
the type of treatment to be given is
(B) plate thickness
(A) seal coat
(C) effective throat thickness
(B) tack coat
(D) penetration thickness
(C) prime coat
(D) spray of emulsion
21. The failure ofa rivetjoint may take place due to
(A) shear failure of rivets 2E. The type of transition curves generally provided
(B) bearing failure of rivets on hill roads, is
(C) tearing failwe of plates (A) circular
(D) All of the above (B) spiral
(C) cubic parabola
(D) lemniscate
A. Heat of Hydration in a cement at early age is
maximum for
(A) C2S 29. The percentage compensation ingradient for
@) Crs ruling gradient of 4% and horizontal curve of radius
760 m is
(c) cnAF
(D) C3A
(A\ 0.t7o
(B) l9o
(C) tOso
25. High yield deforrned bar have a (D) no compensation
(A) definite yield value
@) chemical composition different from mild
steel
30. Road tar RT-4 is recommended for
(C) percentage elongation less than that of mild (A) surface painting
steel (B) renewal of coas
(D) percentage elongation more than that of (C) premixing tar macadam in base course
mild steel (D) All of the above
Text of page 5
B-5 IEC/17
31. Which one of the following binders is 36. The specific gravity and initial void ratio of a
recommended for a wet and cold climate? sample of soil deposit are 2'71 utd 0 85 respectively.
(A) 80/100 penetration asphalt The value of critical hydraulic gradient is
(B) Tar (A) 0.82
(C) Cutback (B) 0.8s
(D) Emulsion (c) 0.92
(D) 0.9s
32. Coefficient of curvature for a well graded soil,
must be between 37. The specific gravity of quartz is
(A) 2-6s
(A) 0.5 to 1.0
(B) 2.72
(B) 1.0 to 3.0
(c) 2.7s
(C) 3.0 to 4.0 (D) 2.8s
(D) 4.0 to 5.0
38. A sample of clay and a sample of sand have the
same specific gravity and voidratio. Their permeability's
33. Fine sand possesses
will differ because
(A) good plasticity
(A) their porosities will be different
(B) limited plasticity
@) their densities will be different
(C) reasonable plasticity
(C) their degee of sahration will be different
@) no plasticity and clay like (D) the size range oftheir voids will be different
34. Undisturbed soil samples are required for 39. A phreatic line is defined as the line within a dam
conducting section below which there are
(A) hydrometer oest (A) positive equipotential lines
(B) shrinkage limit test (B) positive hydrostatic pressure
(C) consolidation test
(C) negative hydrostatic pressure
(D) specific gavity test
@) None of the above
35. If the shearing stress is zero on two planes, then
the angle between the two planes is
40. When the degree of consolidation ls 5OVo, the
time factor is about
(A) 45.
(A) 0.2
(B) 90" (B) 0.s
(c) 135" (c) 1.0
(D) 22s" (D) 2.0
Please Thrn Over
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IEC/17 B-6
41. The soil moisture driven oIf by heat is called 46. Which of the following curves is avoided on a
(A) free water highway?
@) hydroscopic water (A) Simple curve
(C) gravity water (B) Compound curve
(D) fringe water (C) Reverse curve
@) None of the above
42. Coefficient of compressibility of soil is the ratio
of 47. Location ofcontour gradient for ahighway is best
set out from
(A) stress to stain
(A) ridge down the hill
(B) strain to stress
(C) stress to settlement @) saddle down the hill
(C) bottom to the ridge
(D) rate of loading to settlement
(D) bottom to the saddle
43. The process oftuming the telescope ofa theodolite 48. The suitable contour interval for a map with scale
over its supporting axes through 1 80' in a vertical plane 1 : 10000 is
is called (A) 2m
(A) transiting
@) 5m
(B) reversing (C) 10m
(C) plunging (D) 20m
@) Any one of the above
49. The included angles of a theodolite traverse are
generally measured as
44. The horizontal angle between the hue meridian
and a survey line is called
(A) clockwise from the forward station
(A) magnetic bearing (B) anti-clockwise from back station
(B) azimuth (C) anti-clockwise from forward station
(C) dip (D) clockwise from back station
(D) magneticdeclination
50. If the fore-bearing of a line AB is 35" and that of
a line BC 15", then the included angle between the lines
45. An ideal transition curve is is
(A) cubic parabola (A) 20"
(B) clothiod spiral (B) s0"
(C) cubic spiral (c) 160'
(D) true spiral (D) 230"
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B-7 lEc/17
51. The polar moment of inertia of a hollow circular 56. A rod is enclosed centrally in a tube and the
shaft of outer diameter (D) and inner diameter (d) is assembly is tightened by rigid washer. If the assemble is
subjected to a compressive load, then
<et fr,(o3'a3) (A) rod is under compression
(B) tube is under compression
<st fr*(oa-aa) (C) both tube and rod are under compression
(D) tube is under tension and rod is under
<ct $*(oa-aa) compression
<ot fi,(oa-aa)
57. A beam of uniform strength may be obtained by
52. The load required to produce a unit deflection in (A) keeping the width uniforrn and varying the
a spring is called depth
(A) flexural rigidity (B) keeping the depth uniform and varying the
(B) torsional rigidity width
(C) spring stiffness (C) varying the width aad depth
(D) Young's modulus (D) Any one of the above
53, A rcinforced cement concrete beam is considered
to be made of 5E. The point of contraflexure is a point where
(A) homogeneous material (A) shear force changes sign
(B) bending moment changes sign
@) heterogeneous material
(C) composite material (C) shear force is maximum
(D) bending moment is maximum
@) isotropic material
54. Factor of safety is defined as the ratio of
(A) ultimate stress to working stress 59. Euler's formula is valid for
(B) working stress to ultimate stress (A) short columns
(C) breaking stress to ultimate stress (B) long columns
(D) ultimate stress to breaking stress (C) both shon and long columns
@) weak columns
55. At the neutral axis of a beam
(A) the layers are subjected to maximum
bending stress 60. An isometric view provides
(B) the layos are subjected tominimum bending (A) just another elevation details
stress @) a two-dimensional details
(C) the layen are subjected to compression (C) a three-dimensional details
(D) the layen do not undergo any strain (D) equal projection line of equal length
Please Tirrn Over
Text of page 8
wc/17 B-t
61. Unit weight of concrete is taken as 66. Original cost of the property minus depreciation
(A) 25 KN/m3 ls
(B) 20 KN/m3 (A) book value
(C) 24 KN/m3 (B) market value
(D) l8 KN/m3 (C) salvage value
(D) capital value
62, Blast firmace slag cement is used for
(A) dams 67. An aggrading river is a
(B) bridge abutments (A) silting river
(C) retaining walls
@) scouring river
(D) All of the above (C) both silting and scouring river
(D) neither silting nor scourirg river
63. Biological action is used in
(A) screens
(B) sedimentation tanks 68. The drainage water intercepting the canal can be
disposed of by passing the canal below the drainage in
(C) trickling filters
(A) aqueduct and syphon aqueduct
(D) All of the above
(B) aqueduct and super passage
(C) super passage and canal syphon
64. Minimum compressive strength of bumt clay (D) level crossing
brick is
(A) 10.5 MPa
(B) 7.5 MPa 69. A hyetograph is a graphical representation of
(C) 3.5 MPa (A) rainfall intensiry and time
(D) 5 MPa (B) rainfall depth and time
(C) discharge and time
(D) cumulative rainfall and time
65. Approximate cost for water supply is
(A) 4 to 5% of estimated cost of the building
works
70. The effluents from the septic tank are discharged
(B) 2 ao 39o of estimated cost of the building
rnto
works
(A) drainage
(C) 5lo7% of estimated cost of the building
works
(B) sewer
(D) 1 to 2qo sf sstirnelrd, cost of the building (C) soak pit
works (D) oxidation pond
Text of page 9
B-9 IEC|17
71. The ratio of the quantity of water stored in the 76, The maximum deflectionin a steel beam is limited
root zone of the crops to the quantity of water actually to
delivered in the freld is termed as (A) u360
(A) water conveyance efficiency
@) u325
(B) water application efficiency (c) u350
(C) water use efficiency
(D) U150
(D) None of the above
72. The amountofchlorine used forplain chlorination 77. What is the value of Young's modulus for M25
of water is about concrete as per IS 456 :20{101
(A) 0.2 ppm (A) 2xldMPa
(B) 0.3 ppm (B) 2.5 x ld MPa
(C) 0'4 ppm (C) 2.2x 103 MPa
(D) 0.s ppm (D) 1.5 x ld MPa
73. The characteristics of fresh and septic sewage 7t. Doublyreinforced bearns are recommended when
respectively are
(A) depth of the beam is restricted
(A) acidic and alkaline
(B) breadth of the bean is restricted
(B) alkaline and acidic
(C) both breadth and depth are restricted
(C) Both acidic
(D) shear is high
(D) Both alkaline
74. The maximum efficiency of BOD removal is 79. RCC pipe carrying water is mainly designed for
achieved in (A) bending moment
(A) oxidation pond @) shear force
(B) oxidation ditch (C) hoop tensiotr
(C) aerated lagoons @) torsional moment
(D) trickling filters
E0, In a RCC footing on soil, the minimum thickness
75. The pipe joint commonly used in pumping station at edge should not be less than
(A) flexible joint (A) 100 mm
(B) flanged joint @) 200 mm
(C) expansion joint (C) 150 mm
(D) spigot and socket joint (D) 250 mm
Please lhrn Over
Text of page 10
TEC/17 B.r0
81, The weight of the footing is assumed as _ E6. The form work ofRCC slabs up to 4'5 m span can
of the weight transferred to the column. be removed after
(A) 5Vo (A) 1 day
@) lOVo (B) 3 days
(C) l57o (C) 7 days
(D) 207o (D) 14 days
t2. The diagonal tension in concrete can be resisted 87. ff the ratio of fine sand is increased in a concrete
by providing mix, its workability is likely to
(A) diagonal tension reinforcement (A) decrease
(B) shear reinforcement (B) increase
(C) inclined tension reinforcement (C) remain constant
(D) All of the above (D) None ofthe above
83. ffthe area oftensile steel reinforcementis doubled, 8t. Most widely used type of deep state tube wells in
the moment ofresistance ofthe beam increases by about India is
(A) t2?o (A) cavity tube well
(B) 22% @) strainer tube well
(C) 32Vo (C) slotted pipe-gravel packed tube well
(D) 427o (D) None of the above
&4. The maximum spacing of vertical sthrups is t9. Znne of aeration in a subsurface wat€r system
0'75d, and that for inclined at 45o is does not include
(A) 0'37sd (A) capillary zone
(B) d (B) saturation zone
(c) 0.sd (C) soil water zone
(D) None of the above (D) interrnediate zone
85. The factor of safety for concrete and steel in the 90. Specific capaciry of a well
working stress method are taken as (A) decreases with diameter
(A) 3, l'78 @) decreases .with time from tle start of
(B) 2, l.8s pumping
(c) 2.s,r 2 (C) increases with discharge rate
(D) 1s,1.ls (D) None of the above
Text of page 11
B-11 IEC.I7
91. In India, which of the following is adopted as 9(i. When was the Water @revention and Control of
standard recording rain gauge? PDllution) Act enacted by the Indian Parliament?
(A) Symon's rain gauge (A) 1970
(B) Tipping bucket rain gauge (B) 1974 i
(C) Natural syphon type (c) 197s
(D) Weighing bucket type (D) 1980
92. A manhole is classified as shallow if its depth is 97. An inverted syphon is generally designed for
between (A) one pipe
(A) 0'4 to 0'5 m (B) two pipes
(B) 0.5 to 0.7 m (C) three pipes
(C) 0.7 to 0.9 m (D) four pipes
(D) 0.9 to 1.2 m
9t, The self-cleansing velocity of all sewers in India
93. Hydraulic failure of earthen dam is due to is usually
(A) overtopping (A) 0.90 m/sec to 1.2 rn/sec
(B) wave erosion (B) 1.2 rn/sec to 1.5 nrlsec
(C) toe erosion (C) 1.5 n/sec to 2 m/sec
(D) All of the above (D) 3 m/sec to 5 m/sec
94. Infiltration galleries are used to trap ground water 9. The settling velocity of a particle ln a
ln sedimentation tank depends on
(A) sandy river bed (A) surface area of tank
(B) clayey river bed (B) depth of tank
(C) rocky river bed (C) both surface area and depth of talk
(D) perennial river bed (D) volume of the tank
95. The best unit duration of storm for a unit lfi|. Normal formation width of a hill road for one
hydrograph is way traftic is
(A) I hour (A) 3'6 m
(B) one-fourth of basin lag (B) 4'8 m
(C) one-half of basin lag (C) 5 5m
(D) equal to basin lag (D) 6m
Text of page 12
TEC/T7 B-12
Spa.ce for Rough WorkOfficial key not published for this paper.
Page 1 of 12
Source: West Bengal Public Service Commission. Question paper published by West Bengal Public Service Commission.