857599566 Binder

1.1.1.1.1. In ordinary residential buildings, D. P. C. may beprovided:(A) At ground level(B) Between ground level and water table level(C) At water table level(D) At plinth level

2.2.2.2.2. The tolerance in the width of mould of a class Ibrick is about:(A) ± 3 mm (B) ±6 mm(C) ±10 mm (D) ±12 mm

3.3.3.3.3. The slump recommended for mass concrete isabout:(A) 50 mm to 100 mm(B) 25 mm to 75 mm(C) 100 mm to 125 mm(D) None of these

4.4.4.4.4. The most important purpose of frog in a brick isto:(A) Reduce the weight of brick(B) Emboss manufacture’s name(C) Form keyed joint between brick and mortar(D) Improve insulation by providing ‘hollows’

5.5.5.5.5. A type of bond in a brick masonry consisting ofalternate course of headers and stretchers, iscalled:(A) English bond(B) Flemish bond(C) Stretching bond(D) Heading bond

6.6.6.6.6. Preventative maintenance for a building workmeans(A) Taking action before breakdown(B) Breakdown maintenance(C) Taking action after breakdown(D) None of these

7.7.7.7.7. The slenderness ratio for masonry walls shouldnot be more than:(A) 10 (B) 20(C) 30 (D) 40

8.8.8.8.8. Expansion joint in masonry wall is provided whenlength of wall is greater than:(A) 20 m (B) 10 m(C) 40 m (D) 30 m

9.9.9.9.9. The height between two floors is 3.00 m and risersare of 150 mm. Assuming two flights betweenthe floors, the number of treads will be(A) 18 (B) 19(C) 20 (D) 21

10.10.10.10.10. The type of flooring suitable for the use in theatresand public libraries and other places wherenoiseless floor covering is desired:(A) Wooden flooring(B) Linoleum flooring(C) Cork flooring(D) None of these

11.11.11.11.11. One of the main disadvantages of the bar chartfor construction management is:(A) The time schedule is not shown properly(B) Progress of the work cannot be monitored(C) The financial aspect is not shown(D) Does not show the interdependencies of the

activity

12.12.12.12.12. Which of the following does not represent anactivity?(A) Foundation is being dug(B) Site located(C) The office area is being cleaned(D) None of these

13.13.13.13.13. Critical Path Method (CPM) network is:(A) Activity oriented(B) Event oriented

Odisha Public Service Commission Exam, 2015 SET

CCivil Engineering : Paper-I(Assistant Executive Engineer)

MADE EASY2 OPSC 2015 • Civil Engineering : Paper-I (SET-C)

(C) Both activity as well as event oriented(D) None of these

14.14.14.14.14. The security deposit deducted from contractor’sbill is:(A) Refunded as soon as the construction is over(B) Not refunded(C) Refunded in the middle of the contract(D) Refunded after maintenance period

15.15.15.15.15. Earliest finish of an activity is always:(A) Less than earliest event of the following node(B) Greater than earliest event of the following

node(C) Less than or equal to earliest event of the

following node(D) Greater than or equal to earliest event of the

following node

16.16.16.16.16. A contract is an agreement between:(A) Two parties valid in law(B) Several agencies(C) Three agencies(D) Two parties without legal binding

1717171717 Measurement of 50 mm thick concrete flooringwill be done in:(A) Cubic m (B) % sq m(C) Meter (D) Sq. m

18.18.18.18.18. The reduction in project time normally results in:(A) Increasing the direct cost and decreasing

the indirect cost(B) Decreasing the direct cost and increasing

the indirect cost(C) Increasing the direct cost and the indirect

cost both(D) Decreasing the direct cost and the indirect

cost both

19.19.19.19.19. A document containing detailed description ofall the items of work together with their currentrates is called:(A) Analysis of rates(B) Abstract of estimate(C) Schedule of rates(D) None of these

20.20.20.20.20. Work Breakdown Structure for a constructionproject will help in:

(A) Breaking the project into several elements(B) Identifying the activities(C) Identifying the functional elements of a

project and their interrelationship(D) None of these

21.21.21.21.21. If a material has identical elastic properties in alldirections, it is said to be:(A) Homogenous (B) Isotropic(C) Elastic (D) Orthotropic

22.22.22.22.22. If a composite bar of steel and copper is heated,the copper bar will be under:(A) Tension (B) Compression(C) Shear (D) Torsion

23.23.23.23.23. Maximum bending moment in a beam occurswhere:(A) Deflection is zero(B) Shear force is maximum(C) Shear force is minimum(D) Shear force changes sign

24.24.24.24.24. Every material obeys the Hooke’s law within its:(A) Elastic limit(B) Plastic limit(C) Limit of proportionality(D) None of these

25.25.25.25.25. In a rectangular element subjected to likeprincipal tensile stresses p1 and p2 in twomutually perpendicular directions x and y, themaximum shear stress would occur along the:(A) Plane normal to y-axis(B) Plane normal to x-axis(C) Planes at 45° and 135° to the y-direction(D) Plane at 45° to the y-direction

26.26.26.26.26. Principle of superposition is applicable when:(A) Deflections are linear functions of applied

forces(B) The action of applied forces will be affected

by small deformations of the structure(C) Material obeys Hooke’s law(D) None of these

27.27.27.27.27. Principal plane is defined as a plane on whichthe shear stress is:(A) Maximum (B) Half of the normal(C) Zero (D) None of these

OPSC 2015 • Civil Engineering : Paper-I (SET-C) 3MADE EASY

28.28.28.28.28. Poisson’s ratio is an involving:(A) Elastic Moduli (B) Stresses(C) Strains (D) None of these

29.29.29.29.29. The shear force and bending moment is zero atthe free end of a cantilever beam, if it carries:(A) Point load at the free end(B) Point load at the middle of its length(C) Uniformly distributed load over the whole

length(D) None of these

30.30.30.30.30. The shear stress on a beam section is maximum:(A) On the extreme bottom surface fibres(B) On the extreme top surface fibres(C) At the free edges(D) At the neutral axis of the section

31.31.31.31.31. The variation of the bending moment in thesegment of a beam where the load is uniformlydistributed is:(A) Zero (B) Linear(C) Parabolic (D) Cubic

32.32.32.32.32. The maximum bending moment (M) caused bya concentrated load (W) at the mid span of asimply supported beam is:(A) M=(WL/2) (B) M = (WL/8)(C) M = (WL/4) (D) M = (WL/12)

33.33.33.33.33. A simply supported beam with rectangular cross-section is subjected to a central concentratedload. If the width and depth of beam is doubled,the deflection at centre of the beam will bereduced to:(A) 50% (B) 25%(C) 12.5% (D) 6.25%

34.34.34.34.34. The maximum tensile stress in a cantilever beamwith concentrated load acting downwards on thespan is caused at:(A) Top fibre at mid span(B) Bottom fibre at mid span(C) Bottom fibre at support(D) Top fibre at support

35.35.35.35.35. A fixed beam of uniform section is carrying apoint load at its mid span. If the moment of inertiaof the middle half length is reduced to half itsprevious value, then the fixed end moments will:

(A) Decrease(B) Increase(C) Change their direction(D) Remain constant

36.36.36.36.36. At a point ‘P', the state of stress is px = 6 MPa,py = -2 MPa and qxy = 3 MPa, the magnitude ofprincipal stresses for this state of stress will be:(A) 9 MPa and –1 MPa(B) 7 MPa and –3 MPa(C) 7 MPa and –1 MPa(D) 8 MPa and –3 MPa

37.37.37.37.37. The most appropriate failure theory for ductilematerials is:(A) Maximum principal stress theory(B) Maximum shear stress theory(C) Maximum shear strain energy theory(D) Maximum principal strain theory

38.38.38.38.38. A cantilever beam having length 'L' is subjectedto a moment ‘M’ at its free end. If flexural rigidityof beam is El, the deflection at free end will be:(A) ML/EI (B) ML/2EI(C) ML2/EI (D) ML2/2EI

39.39.39.39.39. The relationship between Young’s Modulus ofElasticity E, Bulk Modulus K and Poisson’s ratioμ is given by:(A) E = 2K(1 – 2μ) (B) E = 3K(1 + μ)(C) E = 3K(1 – 2μ) (D) E = 2K(1 + μ)

40.40.40.40.40. A beam simply supported at both the ends oflength 'L' carries two unequal unlike couples Mat the both ends. If the Flexural Rigidity El isconstant, the central deflection of beam will be:(A) ML2/4EI (B) ML2/16EI(C) ML2/64EI (D) ML2/8EI

41.41.41.41.41. Free body diagram is an:(A) Isolated joint with only body forces acting

on it(B) Isolated joint with all the forces internal as

well as external, acting on it(C) Isolated joint with internal acting on it(D) None of these

42.42.42.42.42. Independent displacement components at eachjoint of a rigid jointed plane frame are:


(A) Three linear movements(B) One linear movement and two rotations(C) Two linear movements and one rotation(D) Three rotations

43.43.43.43.43. Which of the following methods of structuralanalysis is a force method?(A) Column analogy method(B) Slope deflection method(C) Moment distribution method(D) None of these

44.44.44.44.44. For approximate analysis of building framesunder vertical loads, the point of inflection isassumed at:(A) Centre of each beam(B) One-tenth of the span length from each end

of the beam(C) Centre of each column(D) Both (A) and (C)

45.45.45.45.45. A fixed beam of uniform section is carrying apoint load at its mid span. If the moment of inertiaof the middle half length is reduced to half of itsprevious value, then the fixed end moments will:(A) Decrease(B) Increase(C) Change their direction(D) Remain constant

46.46.46.46.46. The deformation of a spring produced by a unitload method is called:(A) Flexibility (B) Stiffness(C) Unit strain (D) None of these

47.47.47.47.47. In the displacement method of structuralanalysis, the basic unknowns are:(A) Forces(B) Displacements(C) Displacements and forces(D) None of these

48.48.48.48.48. If the displacement at coordinate i due to unitforce at coordinate j is δij and displacement atcoordinate j due to unit force at coordinate i is δji,

then according to Maxwell’s Reciprocal Theorem:(A) δij = δji (B) δij > δji

(C) δij < δji (D) δij ¹ δji

49.49.49.49.49. To generate the jth column of flexibility matrix:(A) A unit force is applied at coordinate j and

the displacement are calculated at allcoordinates

(B) A unit force is applied at coordinate j andthe forces are calculated at all coordinates

(C) A unit displacement is applied at coordinatej and the forces are calculated at allcoordinates

(D) A unit displacement is applied at coordinatej and the displacement are calculated at allcoordinates

50.50.50.50.50. For a statically indeterminate pin jointed planeframe, the relation between number of members‘m’ and number of joints ‘j’ is expressed as:(A) m = 3j – 6 (B) m = 2j – 3(C) m > 2j – 3 (D) m > 3j – 6

51.51.51.51.51. Ratio of strain energy stored by solid shaft ofdiameter 'D’ and strain energy stored by hollowshaft (external diameter ‘D’ and internal diameter‘d’) is given by:(A) D2/(D2 – d2) (B) D2/(D2 + d2)(C) D4/(D4 + d4) (D) D4/(D4 – d4) .

52.52.52.52.52. Muller Breslau principle in structural analysis isused:(A) To obtain virtual work equation(B) To draw influence line diagram for any force

function(C) For superposition of load effects(D) None of these

53.53.53.53.53. Influence line for forcing function gives itsvariation at:(A) Mid span(B) A given section(C) A support(D) Everywhere in the beam

54.54.54.54.54. The moment required to rotate the near end ofprismatic beam of length ‘L’ and flexural rigidityEl through unit angle, without translation (the farend being fixed), is given by:(A) 2EI/L (B) EI/L(C) 3EI/L (D) 4EI/L


55.55.55.55.55. Castigliano’s first theorem is applicable:(A) For statically determinate structure only(B) When the system behaves elastically(C) Only when principle of superposition is valid(D) None of these

56.56.56.56.56. The deflection at any point of a perfect framecan be obtained by applying a unit load at thejoint in:(A) Vertical direction(B) Horizontal direction(C) Inclined direction(D) The direction in which the deflection is

required

57.57.57.57.57. The strain energy stored in a simply supportedbeam of span L and flexural rigidity El due tocentral concentrated load W is given by:(A) W2L2/48EI (B) W2L3/48EI(C) W2L2/96EI (D) W2L3/96EI

58.58.58.58.58. A beam AB is fixed at both ends and carries auniformly distributed load of intensity ‘w’ per unitlength run over its entire length. Due to someconstruction defects, the end B is now reducedto a simple support. The percentage increase inbending moment at A is:(A) 25 (B) 50(C) 75 (D) 100

59.59.59.59.59. A fixed beam AB is subjected to a triangularload varying from zero at end A to W per unitlength at end B. The ratio of fixed end momentat B to A will be

(A)�

�(B)

�

�

(C)�

�(D)

�

�

60.60.60.60.60. In moment distribution method, the sum ofdistribution factors of all members meeting atany joint is always:(A) Less than one(B) Zero(C) One(D) Greater than one

61.61.61.61.61. In a slab, the minimum reinforcement for Fe 250provided, is:

(A) 0.10% of its gross sectional area(B) 0.12% of its gross sectional area(C) 0.15% of its gross sectional area(D) None of these

62.62.62.62.62. Whenever the earthquake or wind loading isconsidered in design of a member, thepermissible stresses may be increased by:(A) 25% (B) 30%(C) 33.33% (D) 35%

63.63.63.63.63. The purpose of lateral ties in short RC columnsis to:(A) Avoid buckling of longitudinal bars(B) Facilitate construction(C) Facilitate compaction of concrete(D) Increase the load carrying capacity of the

columns

64.64.64.64.64. For vertical stirrups, the maximum spacing ofshear reinforcement measured along the axis ofthe members shall not exceed:(A) 0.70 d (B) 0.75 d(C) 0.80 d (D) 0.90 d

65.65.65.65.65. In the limit state design of concrete section oflimiting value of the depth of the neutral axisXu(max)/d for steel grade Fe 415 is:(A) 0.53 (B) 0.48(C) 0.46 (D) 0.42

66.66.66.66.66. Most common method of pre-stressing used forfactory production is:(A) Freyssinet system(B) Long line method(C) Lee-Macall system(D) Magnel-Blaton system

67.67.67.67.67. Which of the following losses occurs only in post-tensioning?(A) Shrinkage of concrete(B) Elastic shortening of concrete(C) Loss due to friction(D) Creep of concrete

68.68.68.68.68. Minimum reinforcement in a circular column asper IS 456 is:(A) 4 bars of 12 mm(B) Greater of 0.8% of cross sectional area and

4 bars of 12 mm


(C) 6 bars of 12 mm(D) Greater of 0.8% of cross sectional area and

6 bars of 12 mm

69.69.69.69.69. The vertical retaining wall of the RCC Counterfortis designed as a ___________(A) Cantilever(B) Simply supported slab(C) Continuous slab(D) None of these

70.70.70.70.70. When width b, effective depth d, overall depthD, the maximum area of reinforcement in RCCbeam shall not exceed:(A) 0.04 bd (B) 0.04 bD(C) 0.05 bd (D) 0.05 bD

71.71.71.71.71. In T-shaped RC retaining walls, the mainreinforcement in the stem is provided on:(A) The front face in one direction(B) The front face in both direction(C) The inner face in one direction(D) The inner face in both direction

72.72.72.72.72. If nominal shear stress τv exceeds the designshear strength of concrete τc, the nominal shearreinforcement as per IS: 456-2000 shall beprovided for a shear stress equal to:(A) τv (B) τc

(C) τv – τc (D) τv + τc

73.73.73.73.73. As per IS 456, the minimum grade of concretefor the design of reinforced concrete structure inmoderate exposure condition is:(A) M20 (B) M25(C) M15 (D) M30

74.74.74.74.74. In reinforced concrete footing on soils, theminimum thickness at the edge should not beless than:(A) 150 mm (B) 250 mm(C) 100 mm (D) 200 mm

75.75.75.75.75. Span to effective depth ratio for a two waycontinuous slab (upto span 3.5 m) with steel ofgrade Fe 415 should not be more than:(A) 7 (B) 40(C) 26 (D) 32

76.76.76.76.76. The gross diameter of a rivet is the diameter of:(A) Cold rivet measured before driving(B) Rivet measured after driving(C) Rivet hole(D) None of these

77.77.77.77.77. The maximum permissible slenderness ratio oftension members liable to reversal of stress dueto action of wind and earthquake is:(A) 300 (B) 350(C) 400 (D) 425

78.78.78.78.78. The maximum deflection for a steel beam as perIS code should not exceed:(A) 1/150 of span (B) 1/250 of span(C) 1/325 of span (D) 1/350 of span

79.79.79.79.79. The average shear stress in a member calculatedon the cross section of unstiffened web shall notexceed:(A) 0.45 fy (B) 0.40 fy(C) 0.65 fy (D) 0.66 fy

80.80.80.80.80. Generally the purlins are placed at the panelpoints so as to avoid:(A) Axial force in rafter(B) Shear force in rafter(C) Deflection of rafter(D) Bending moment in rafter

81.81.81.81.81. The yield stress of mild steel of normally rolledstructural steel is about (in N/mm2):(A) 240 to 260 (B) 330 to 360(C) 420 (D) 550

82.82.82.82.82. The effective length of fillet weld should not beless than:(A) Two times weld size(B) Four times weld size(C) Six times weld size(D) Weld size

83.83.83.83.83. The rolled T section for a given depth havinglargest moment of inertia, Ixx is designated as:(A) ISMB (B) MSHB(C) ISLB (D) ISWB

84.84.84.84.84. In a plate girder, bending is primarily resistedby:


(A) Web plate(B) Flange plate only(C) Flange angle only(D) Flange plate and flange angle

85.85.85.85.85. The effective length of a steel compressionmember which is effectively held in position atboth ends but restrained in direction at one endonly:(A) L (B) 0.8 L(C) 1.2 L (D) 1.5 L

86.86.86.86.86. The addition of pozzolana to Portland cementmay cause:(A) Decrease in early strength(B) Increase in early strength(C) Decrease in curing time(D) Increase in permeability

87.87.87.87.87. The two main compounds imparting strength forOrdinary Portland Cement are:(A) Tricalcium silicate and dicalcium silicate(B) Dicalcium silicate and aluminates(C) Tricalcium aluminates and silicate(D) Tricalcium silicate and tricalcium aluminates

88.88.88.88.88. For a satisfactory workable concrete with aconstant water cement ratio, increase inaggregate cement ratio:(A) Decrease the strength of concrete(B) Does not change the strength of concrete(C) Increase the strength of concrete(D) None of these

89.89.89.89.89. The strength of concrete is directly proportional:(A) Water cement ratio(B) Cement water ratio(C) Sand cement ratio(D) Water aggregate ratio

90.90.90.90.90. The most commonly used admixture whichprolongs the setting time is:(A) Calcium chloride(B) Gypsum(C) Sodium silicate(D) All of these


1.1.1.1.1. (D)

2.2.2.2.2. (B)

3.3.3.3.3. (B)

4.4.4.4.4. (C)

5.5.5.5.5. (A)

6.6.6.6.6. (A)

7.7.7.7.7. (B)

8.8.8.8.8. (D)

9.9.9.9.9. (A)

10.10.10.10.10. (C)

11.11.11.11.11. (D)

12.12.12.12.12. (B)

13.13.13.13.13. (A)

14.14.14.14.14. (D)

15.15.15.15.15. (B)

31.31.31.31.31. (C)

32.32.32.32.32. (C)

33.33.33.33.33. (D)

34.34.34.34.34. (D)

35.35.35.35.35. (D)

36.36.36.36.36. (B)

37.37.37.37.37. (C)

38.38.38.38.38. (D)

39.39.39.39.39. (C)

40.40.40.40.40. (D)

41.41.41.41.41. (B)

42.42.42.42.42. (C)

43.43.43.43.43. (A)

44.44.44.44.44. (D)

45.45.45.45.45. (D)

61.61.61.61.61. (C)

62.62.62.62.62. (C)

63.63.63.63.63. (A)

64.64.64.64.64. (B)

65.65.65.65.65. (B)

66.66.66.66.66. (B)

67.67.67.67.67. (C)

68.68.68.68.68. (D)

69.69.69.69.69. (A)

70.70.70.70.70. (B)

71.71.71.71.71. (C)

72.72.72.72.72. (C)

73.73.73.73.73. (A)

74.74.74.74.74. (A)

75.75.75.75.75. (D)

16.16.16.16.16. (A)

17.17.17.17.17. (D)

18.18.18.18.18. (A)

19.19.19.19.19. (B)

20.20.20.20.20. (C)

21.21.21.21.21. (B)

22.22.22.22.22. (B)

23.23.23.23.23. (D)

24.24.24.24.24. (C)

25.25.25.25.25. (C)

26.26.26.26.26. (A)

27.27.27.27.27. (C)

28.28.28.28.28. (C)

29.29.29.29.29. (B, C)

30.30.30.30.30. (D)

46.46.46.46.46. (A)

47.47.47.47.47. (B)

48.48.48.48.48. (A)

49.49.49.49.49. (A)

50.50.50.50.50. (C)

51.51.51.51.51. (B)

52.52.52.52.52. (B)

53.53.53.53.53. (B)

54.54.54.54.54. (D)

55.55.55.55.55. (C)

56.56.56.56.56. (D)

57.57.57.57.57. (B)

58.58.58.58.58. (B)

59.59.59.59.59. (D)

60.60.60.60.60. (C)

76.76.76.76.76. (B)

77.77.77.77.77. (B)

78.78.78.78.78. (C)

79.79.79.79.79. (B)

80.80.80.80.80. (D)

81.81.81.81.81. (A)

82.82.82.82.82. (B)

83.83.83.83.83. (B)

84.84.84.84.84. (B)

85.85.85.85.85. (C)

86.86.86.86.86. (B)

87.87.87.87.87. (A)

88.88.88.88.88. (A)

89.89.89.89.89. (B)

90.90.90.90.90. (B)


CCivil Engineering : Paper-I(Assistant Executive Engineer)

Answer Key

1.1.1.1.1. According to Terzaghi's theory, the ultimatebearing capacity at the ground surface for apurely cohesive soil with cohesion c and for asmooth base of a strip footing is(A) 2.57 c (B) 5.14 c(C) 6.2 c (D) 5.7 c

2.2.2.2.2. Select the correct statements:(A) Both negative skin friction and skin frictional

resistance are caused by relative settlementof soil

(B) Both negative skin friction and skin frictionalresistance are caused by relative settlementof pile

(C) Negative skin friction is caused by relativesettlement of soil and skin frictionalresistance is caused by relative settlementof pile

(D) Negative skin friction is caused by relativesettlement of pile and skin frictionalresistance is caused by relative settlementof soil

3.3.3.3.3. Taylor's stability number is given by

(A) γ��

� �(B)

γ

�

�

��

(C) γ�

�

� �(D) γ

�

�

��

4.4.4.4.4. Sand stone is:(A) Sedimentary rock(B) Metamorphic rock(C) Igneous rock(D) Volcanic rock

5.5.5.5.5. The stress which is responsible for retaining waterin capillary tube above the free water surface ofthe water body in which the capillary tube isinserted, is:

(A) Capillary compression(B) Capillary tension(C) Capillary pore pressure(D) None of the above

6.6.6.6.6. The effective size of particles of soil is denotedby:(A) D10 (B) D20

(C) D30 (D) D60

7.7.7.7.7. The ultimate settlement of a soil is directlyproportional to:(A) Depth of the compressible soil strata(B) Compressive index(C) Void ratio(D) Both (A) and (B)

8.8.8.8.8. A coarse-grained soil has a voids ratio 0.75 andspecific gravity as 2.75. The critical gradient atwhich quick sand condition occurs, is:(A) 0.25 (B) 0.50(C) 0.75 (D) 1.00

9.9.9.9.9. Buoyant unit weight equals the saturated density:(A) Multiplied by unit weight of water(B) Divided by unit weight of water(C) Plus unit weight of water(D) Minus unit weight of water

10.10.10.10.10. A phreatic line is defined as the line within adam section below which there are:(A) Positive equipotential lines(B) Positive hydrostatic pressure(C) Negative hydrostatic pressure(D) Negative equipotential lines

11.11.11.11.11. The minimum centre to centre distance of frictionpiles of 1 m diameter, is:(A) 1.0 mm (B) 2.0 mm(C) 3.0 m (D) 4.0 m


CCivil Engineering : Paper-II(Assistant Executive Engineer)

MADE EASY2 OPSC 2015 • Civil Engineering : Paper-II (SET-C)

12.12.12.12.12. Stoke’s law does not hold good if the size ofparticle is smaller than:(A) 0.0002 mm (B) 0.002 mm(C) 0.02 m (D) 0.2 m

13.13.13.13.13. The ultimate bearing capacity of a soil, is:(A) Load at which soil consolidates(B) Load at which soil fails(C) Total load on the bearing area(D) Safe load on the bearing area

14.14.14.14.14. Raft foundation are generally preferred to whenthe area required for individual footing, is morethan;(A) 25% of total area(B) 30% of total area(C) 40% of total area(D) 50% of total area

15.15.15.15.15. The arrangement of supporting an existingstructure by providing supports underneath, isknown as:(A) Shoring (B) Underpinning(C) Jacking (D) Piling

16.16.16.16.16. The most efficient traffic signal is:(A) Simultaneous system(B) Flexible progressive system(C) Simple progressive system(D) Alternate system

17.17.17.17.17. The rate of rise or fall of the road surface alongits length is called:(A) Cant (B) Super-elevation(C) Gradient (D) Banking

18.18.18.18.18. In hill roads, the minimum sight distance requiredis:(A) Stopping sight distance(B) Passing sight distance(C) Braking distance(D) None of the above

19.19.19.19.19. Which of the following methods is recommendedby IRC for the design of flexible pavement?(A) Group index method(B) CBR method(C) Westergaard method (D) None of the above

20.20.20.20.20. The Indian Railway has been divided into:(A) Six zones (B) Eight zones(C) Twelve zones (D) Sixteen zones

21.21.21.21.21. Which of the following sleepers provide the bestelasticity of track?(A) Wooden sleeper (B) Cast iron sleeper(C) Steel sleeper (D) RCC sleeper

22.22.22.22.22. Maximum super-elevation on hill roads shouldnot exceed:(A) 5% (B) 7%(C) 8% (D) 10%

23.23.23.23.23. The type of transition curves generally providedon hill roads, is:(A) Circular (B) Cubic parabola(C) Spiral (D) Lemniscate

24.24.24.24.24. The road foundation for modern highwaysconstruction, was developed by(A) Tresgue(B) Telford(C) Telford and Macadam simultaneously(D) Macadam

25.25.25.25.25. Coning of wheels is provided:(A) To check lateral movement of wheels(B) To avoid damage to inner faces of rails(C) To avoid discomfort to passengers(D) All of the above

26.26.26.26.26. For a vehicle moving with a speed of 80 km perhour, the brake reaction time, in ordinary cases,is:(A) 1 sec (B) 1.5 sec(C) 2.0 sec (D) 2.5 sec

27.27.27.27.27. Bull headed rails are generally provided on:(A) Points and crossing(B) Straight tangents(C) Curved tracks(D) Meter gauge tracks

28.28.28.28.28. Width of vehicles affects the width of:(A) Lanes(B) Shoulders(C) Parking spaces(D) All of the above

OPSC 2015 • Civil Engineering : Paper-II (SET-C) 3MADE EASY

29.29.29.29.29. The maximum safe speed on roads, dependson the:(A) Type of the highway(B) Type of the road surface(C) Type of curves(D) All of the above

30.30.30.30.30. The head of Public Works Department of anyIndian state is:(A) Transport Minister(B) Chief Engineer(C) Superintending Engineer(D) Executive Engineer

31.31.31.31.31. The optical square is used to measure anglesby(A) Refraction(B) Reflection(D) Double refraction(D) Double reflection

3232323232 When the magnetic declination is 5° 20′ east,the magnetic bearing of the sun is at noon willbe:(A) 95° 20′ (B) 174° 40′(C) 185° 20′ (D) 354° 40′

33.33.33.33.33. A line joining the point of intersection of the cross-hairs of the diaphragm and the optical center-ofthe object glass, is known as:(A) Fundamental line(B) Axis of telescope(C) Axis of level tube(D) Line of collimation

34.34.34.34.34. The error which is not completely eliminated inreciprocal leveling, is:(A) Error due to curvature(B) Error due to refraction(C) Error due to non-adjustment of line of

collimation(D) Error due to non-adjustment of bubble tube

35.35.35.35.35. The contour lines can cross one another on maponly in the case of:(A) An overhanging cliff(B) A valley(C) A ridge(D) A vertical cliff

36.36.36.36.36. A curve of varying radius is known as:(A) Varying curve(B) Compound curve(C) Transition curve(D) Reverse curve

37.37.37.37.37. The method of finding out the difference inelevation between two points for eliminating theeffect of curvature and refraction, is:(A) Precise leveling(B) Differential leveling(C) Reciprocal leveling(D) Fly leveling

38.38.38.38.38. The horizontal angle between true meridian andmagnetic meridian, is known as:(A) Convergence(B) Magnetic declination(C) Bearing(D) Dip

39.39.39.39.39. A relatively fixed point of known elevation abovedatum, is called:(A) Bench mark (B) Datum point(C) Reduced level (D) Reference point

40.40.40.40.40. The curvature of the Earth’s surface, is taken intoaccount only if the extent of survey is more than:(A) 100 sq km (B) 160 sq km(C) 200 sq km (D) 260 sq km

41.41.41.41.41. The pressure of a liquid measured with the helpof a piezometer tube is:(A) Vacuum pressure(B) Gauge pressure(C) Absolute pressure(D) Atmospheric pressure

42.42.42.42.42. When a fluid is flowing through a pipe, the velocityof the liquid is:(A) Maximum at the center and minimum near

the walls(B) Minimum at the center and maximum near

the walls(C) Zero at the center and maximum near the

walls(D) Maximum at the center and zero near the

walls


43.43.43.43.43. The hydraulic mean depth for a circular pipe ofdiameter d is:(A) d/6 (B) d/4(C) d/2 (D) d

44.44.44.44.44. In case of flow through parallel pipes:(A) The head loss for all the pipes is same(B) The head loss is different in different pipes(C) The head loss is the sum of head losses in

the various pipes(D) None of the above

45.45.45.45.45. The critical depth for a channel is given by:

(A)

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�(B)

�� ⎛ ⎞

⎜ ⎟⎝ ⎠�

�

(C)

�� ⎛ ⎞

⎜ ⎟⎝ ⎠�

�(D)

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46.46.46.46.46. When the Mach number is less than unity, theflow is called:(A) Sub-sonic flow(B) Sonic flow(C) Super-sonic flow(D) Hyper-sonic flow

47.47.47.47.47. The power developed by a turbine is:(A) Directly proportional to H1/2

(B) Inversely proportional to H1/2

(C) Directly proportional to H3/2

(D) Inversely proportional to H3/2

48.48.48.48.48. Which of the following pumps is suitable for smalldischarge and high head?(A) Centrifugal pump(B) Axial flow pump(C) Mixed flow pump(D) Reciprocating pump

49.49.49.49.49. The ratio between the area of crop irrigated andquantity of water required during its entire periodof the growth, is known as:(A) Delta (B) Duty(C) Base period (D) Crop period

50.50.50.50.50. The graphical representation of average rainfalland rainfall excess (i.e., rainfall minus infiltration)rates over specified areas during successive unittime intervals during a storm is known as:

(A) Hydrograph(B) Unit hydrograph(C) Hyetograph(D) None of the above

51.51.51.51.51. According to Lacey’s equation, the scour depthis equal to;

(A)��

��

�

⎛ ⎞⎜ ⎟⎝ ⎠ (B)

��

��

�

⎛ ⎞⎜ ⎟⎝ ⎠

(C)��

��

�

⎛ ⎞⎜ ⎟⎝ ⎠ (D)

��

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⎛ ⎞⎜ ⎟⎝ ⎠

52.52.52.52.52. The phenomenon occurring in an open channelwhen a rapidly flowing stream abruptly changesto a slowly flowing stream causing a distinct riseof liquid surface, is:(A) Water hammer(B) Hydraulic jump(C) Critical discharge(D) None of the above

53.53.53.53.53. Dimensions of the dynamic viscosity (μ) are:(A) MLT–2

(B) M–1L–1T–1

(C) ML–1T–1(D) None of the above

54.54.54.54.54. When a canal is carried over a natural drainage,the structure provided, is known as:(A) Syphon(B) Aqueduct(C) Super passage(D) Syphon-aqueduct

55.55.55.55.55. The maximum vacuum created at the summit ofa syphon is:(A) 2.7 m of water(B) 7.4 m of water(C) 74 mm of water(D) 74 m of water

56.56.56.56.56. An ideal flow of a liquid obeys:(A) Continuity equation(B) Newton’s law of viscosity(C) Newton’s second law of motion(D) Dynamic viscosity law

5757575757. Reynold’s number is the ratio of inertia force and:(A) Viscosity


(B) Elasticity(C) Gravitational force(D) Surface tension

58.58.58.58.58. Differential manometers are used to measure:(A) Pressure in water channels, pipes, etc.(B) Difference in pressure at two points(C) Atmospheric pressure(D) Very low pressure

59.59.59.59.59. Highest dam in India, is(A) Hirakud dam(B) Nagarjuna Sagar dam(C) Idukki dam(D) Bhakra dam

60.60.60.60.60. If Cv, Cc, Cd and Cr are the hydraulic coefficientsof an orifice, then:(A) Cd = Cc . Cv(B) Cr = 1 + Cv

2/Cd(C) Cv = Cc + Cd(D) Cc = Cv/Cd

61.61.61.61.61. For the stability of a structure against seepagepressure according to Khosla’s Creep Theory,the critical gradient is:(A) 0.0 (B) 0.5(C) 1.0 (D) 0.75

62.62.62.62.62. The main function of a diversion head works of acanal from a river is:(A) To remove silt(B) To control floods(C) To raise water level(D) To store water

63.63.63.63.63. The standard height of a standard rain gauge is:(A) 10 cm (B) 20 cm(C) 30 cm (D) 40 cm

64.64.64.64.64. For determination of average annual precipitationin a catchment basin, the best method is:(A) Arithmetical Method(B) Thiessen’s mean Method(C) Isohyetal Method(D) None of the above

65.65.65.65.65. Isohytes are the imaginary lines joining the pointsof equal:(A) Pressure (B) Height(C) Humidity (D) Rainfall

66.66.66.66.66. For large cities, the suitable method forforecasting population is:(A) Arithmetical increase method(B) Graphical method(C) Geometrical increase method(D) Comparative method

67.67.67.67.67. The maximum permissible total solid content inwater for domestic purposes should not exceed;(A) 300 ppm (B) 400 ppm(C) 500 ppm (D) 1000 ppm

68.68.68.68.68. The maximum permissible chlorine content forpublic supplies should be between:(A) 0.1 to 0.2 ppm (B) 0.3 to 0.4 ppm(C) 1.2 to 4.0 ppm (D) 6.5 to 8.0 ppm

69.69.69.69.69. The bacterias which require oxygen for theirsurvival is known as:(A) Anaerobic bacteria(B) Pathogenic bacteria(C) Non-pathogenic bacteria(D) Aerobic bacteria

70.70.70.70.70. The self cleaning velocity, recommended forIndian conditions, in order to prevent settlingdown sewage at the bottom or on the sides of alarge sewer is:(A) 0.25 m/s (B) 0.50 m/s(C) 0.75 m/s (D) 1.5 m/s

71.71.71.71.71. Sludge treatment is mainly done in order to:(A) Stabilize the organic matter(B) Destroy the pathogenic bacteria(C) Reduce the water content(D) All of the above

72.72.72.72.72. Aerobic bacterias:(A) Flourish in the presence of free oxygen(B) Consume organic matter as their food(C) Oxidise organic matter in sewage(D) All of the above

73.73.73.73.73. Most commonly used pump for lifting water inwater supply mains, is:(A) Reciprocating pump(B) Axial flow pump(C) Rotary type pump(D) Centrifugal pumps


74.74.74.74.74. By boiling water, hardness can be removed if itis due to:(A) Calcium sulphate(B) Calcium bicarbonate(C) Magnesium sulphate(D) Calcium nitrate

75.75.75.75.75. Aeration of water is done to remove:(A) Odour (B) Colour(C) Bacterias (D) Turbidity

76.76.76.76.76. Increase in population of a rapidly growing city,may be estimated by:(A) Arithmetical mean method(B) Geometric growth method(C) Incremental increase method(D) Graphical comparison method

77.77.77.77.77. During treatment of water, sedimentation is done:(A) Before filtration(B) After filtration(C) Simultaneously with filtration(D) Along with chlorination

78.78.78.78.78. An area is declared drought affected if its meanrainfall is less than:(A) 50% (B) 60%(C) 75% (D) 85%

79.79.79.79.79. The permissible pH value for public watersupplies may range between:(A) 4.5 – 5.5 (B) 5.5 – 6.5(C) 6.5 – 8.5 (D) 7.0 – 8.5

80.80.80.80.80. Water losses in water supply is assumed as:(A) 5% (B) 7.5%(C) 10% (D) 15%

81.81.81.81.81. The soil transported by wind is called(A) Aeolian soil (B) Marine soil(C) Alluvial soil (D) Lacustrine soil

82.82.82.82.82. A soil sample is having a specific gravity of 2.6and a void ratio of 0.78. The water content inpercentage required to fully saturate the soil atthat void ratio is:(A) 10% (B) 30%(C) 50% (D) 70%

83.83.83.83.83. The ratio of the unconfined compressive strengthof undisturbed soil to the unconfined

compressive strength of soil in a remoulded state,is called:(A) Sensitivity(B) Thixotropy(C) Relative strength(D) None of the above

84.84.84.84.84. The ratio of settlement at any time, t to the finalsettlement is known as:(A) Compression ratio(B) Coefficient of consolidation(C) Compression index(D) Degree of consolidation

85.85.85.85.85. The suitable method of finding the shear strengthof very plastic cohesive soils is by means of:(A) Cone test(B) Penetration test(C) Vane shear test(D) Torsional shear test

86.86.86.86.86. The coefficient of earth pressure at rest is givenby:(A) μ/(1 – μ) (B) (1 + μ)/μ(C) μ/(1 + μ) (D) (1 – μ)/μ

87.87.87.87.87. A vertical cut in a clayey soil with unit weight of19 kN/m3 failed when the depth of cut was 4.0 m.The cohesive strength of clay is:(A) 76.0 kN/m2 (B) 8.5 kN/m2

(C) 38 kN/m2 (D) 19.0 kN/m2

88.88.88.88.88. According to IS classification, the range of siltsize particles is:(A) 4.75 mm to 2.00 mm(B) 2.00 mm to 0.425 mm(C) 0.425 mm to 0.075 mm(D) 0.075 mm to 0.002 mm

89.89.89.89.89. Void ratio of soil mass can:(A) Take any value greater than zero(B) Be zero(C) Never be greater than unity(D) Take values between 0 and 1 only

90.90.90.90.90. Relative density of a compacted dense sand isapproximately equal to:(A) 0.4 (B) 0.6(C) 0.95 (D) 1.2


Answer Key

1.1.1.1.1. (D)

2.2.2.2.2. (C)

3.3.3.3.3. (C)

4.4.4.4.4. (A)

5.5.5.5.5. (B)

6.6.6.6.6. (A)

7.7.7.7.7. (D)

8.8.8.8.8. (D)

9.9.9.9.9. (D)

10.10.10.10.10. (B)

11.11.11.11.11. (C)

12.12.12.12.12. (A)

13.13.13.13.13. (B)

14.14.14.14.14. (D)

15.15.15.15.15. (B)

31.31.31.31.31. (D)

32.32.32.32.32. (B)

33.33.33.33.33. (D)

34.34.34.34.34. (D)

35.35.35.35.35. (A)

36.36.36.36.36. (C)

37.37.37.37.37. (C)

38.38.38.38.38. (B)

39.39.39.39.39. (A)

40.40.40.40.40. (D)

41.41.41.41.41. (B)

42.42.42.42.42. (A)

43.43.43.43.43. (B)

44.44.44.44.44. (A)

45.45.45.45.45. (B)

61.61.61.61.61. (C)

62.62.62.62.62. (A)

63.63.63.63.63. (B)

64.64.64.64.64. (C)

65.65.65.65.65. (D)

66.66.66.66.66. (C)

67.67.67.67.67. (C)

68.68.68.68.68. (A)

69.69.69.69.69. (D)

70.70.70.70.70. (C)

71.71.71.71.71. (D)

72.72.72.72.72. (D)

73.73.73.73.73. (D)

74.74.74.74.74. (B)

75.75.75.75.75. (A)

16.16.16.16.16. (D)

17.17.17.17.17. (C)

18.18.18.18.18. (B)

19.19.19.19.19. (B)

20.20.20.20.20. (D)

21.21.21.21.21. (A)

22.22.22.22.22. (D)

23.23.23.23.23. (C)

24.24.24.24.24. (D)

25.25.25.25.25. (A)

26.26.26.26.26. (D)

27.27.27.27.27. (A)

28.28.28.28.28. (D)

29.29.29.29.29. (C)

30.30.30.30.30. (B)

46.46.46.46.46. (A)

47.47.47.47.47. (*)

48.48.48.48.48. (D)

49.49.49.49.49. (B)

50.50.50.50.50. (C)

51.51.51.51.51. (B*)

52.52.52.52.52. (B)

53.53.53.53.53. (C)

54.54.54.54.54. (B)

55.55.55.55.55. (B)

56.56.56.56.56. (A)

57.57.57.57.57. (A)

58.58.58.58.58. (B)

59.59.59.59.59. (D)

60.60.60.60.60. (A)

76.76.76.76.76. (B)

77.77.77.77.77. (A)

78.78.78.78.78. (C)

79.79.79.79.79. (D)

80.80.80.80.80. (C)

81.81.81.81.81. (A)

82.82.82.82.82. (B)

83.83.83.83.83. (A)

84.84.84.84.84. (D)

85.85.85.85.85. (C)

86.86.86.86.86. (A)

87.87.87.87.87. (D)

88.88.88.88.88. (D)

89.89.89.89.89. (A)

90.90.90.90.90. (C)

Note:47.47.47.47.47. (*) (*) (*) (*) (*) P ∝ H5/2, No options is matching.

51.51.51.51.51. (B*)(B*)(B*)(B*)(B*) Lacey's scour depths is given by ��

�

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= ⎜ ⎟⎝ ⎠�

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CCivil Engineering : Paper-II(Assistant Executive Engineer)

857599566 Binder

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