Mock Test 2 Sub-Divisional Officer Time: 60 minutes

1. The term threshold number is associated with

(A) Turbidity

(B) B.O.D

(C) Taste

(D) Odour

2. The neutral axis of a T-Beam

(A) Always passes through the flange area

(B) Always passes through the rib area

(C) Is always at junction of rib and flange

(D) Can exists anywhere in the section

3. Water flowing at a constant velocity through a tapering pipe is the case of

(A) Uniform flow

(B) Rotational flow

(C) Laminar flow

(D) Steady flow

4. Ultimate tensile strength is

(A) The theoritical strength of a metal

(B) The stress at 0.2 percent plastic strain

(C) The maximum engineering stress

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(D) Both B & C

5. The basic form of a pin jointed frame is a

(A) Triangle

(B) Rectangle

(C) Trapezium

(D) Parrallelogram

6. Milestones are

(A) Bar charts

(B) Activities

(C) Activity verses Time

(D) Begining and end of various activities

7. Radius of Mohr Circle represnets

(A) Maximum shear stress

(B) Maximum Tensile Stress

(C) Minimum Tensile Stress

(D) Both A & B

8. Draft tube is not required in case of

(A) Pelton wheels

(B) Kaplan Turbines

(C) Propeller Turbines

(D) Francis Turbines

9. Bearer dam is a type of

(A) Buttress dam

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(B) Timber dam

(C) Earth dam

(D) Gravity dam

10. For concrete roads, the expansion joints are provided at intervals of

(A) 5 m

(B) 10 m

(C) 10 - 15 m

(D) 18 - 21 m

11. The area of shear force diagram is equal to

(A) Bending moment at the point

(B) Shear force at the point

(C) Shear force at the supports

(D) Load at the point

12. The maximum horizental shear stress in a circular beam occurs

(A) At the bottom fiber

(B) At the top fiber

(C) Along the neutral axis

(D) Depends upon the nature of loading

13. Hydraulically and economically, the best section of drains for large flow
is

(A) Rectangle

(B) Square

(C) Circular

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(D) Both A & C

14. The foundation often recommended for a culvert is

(A) Deck bridge

(B) Well foundation

(C) Spread footing

(D) None of these

15. For which type of bridge, towers are constructed

(A) Arch type bridge

(B) Floating Bridge

(C) Suspension bridge

(D) All of the above

16. Which turbine is different from the following?

(A) Pelton Wheel turbine

(B) Francis Turbine

(C) Kaplan Turbine

(D) None of these

17. A chemical used to check the growth of algae in reservior is

(A) Alum

(B) Copper sulphate

(C) Milk of magnesia

(D) Bleaching Powder

18. Ultra Violet rays are preferred for disinfection of water for

(A) Domestic Supply

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(B) Fishing ponds

(C) Swimmimg ponds

(D) None of these

19. The chemical used for soil stabilization

(A) Oxalic Acid

(B) Sodium Silicate

(C) Ammonium Chloride

(D) All of the above

20. A fly over segregates traffic with respect to

(A) Direction

(B) Grade

(C) Class of vehicale

(D) Speed

21. White cement should have least percentage of

(A) Silica

(B) Magnesium oxide

(C) Iron oxide

(D) Aluminum oxide

22. The bed of a canal is lowered in case of

(A) Siphon Aquaduct

(B) Canal Syphon

(C) Level Crossing

(D) All of the above

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23. The method used to give relatively accurate prediction of population of a
town is

(A) Graphic method

(B) Incremental method

(C) Geometric increase method

(D) Arthimetic increase method

24. Which of the following is likely to result in turbidity of water ?

(A) Bacteria

(B) Sand particles

(C) Clay particles

(D) Calcium sulphates

25. Vane shear test is used for

(A) Measuring the shearing strength of cohesive soils of low shear strength

(B) Measuring the shearing strength of cohesive soils of high shear strength

(C) Both A & B

(D) None of these

26. Gannt chart indicates

(A) Comparisison of actual progress with the scheduled progress

(B) Balance of work to be done

(C) effeciency of the project work

(D) Progressive cost of a project

27. The disadvantage of invar tapes is

(A) Low coeffiecient of thermal expansion

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(B) Creep Elongation

(C) Low Cost

(D) None of the these

28. Which of the following material when used in sewers will yield least self
cleansing velocity?

(A) Rounded pebbles (12-15mm)

(B) Coarse sand

(C) Fine sand

(C) Fine Clay & silt

29. The minimum slump in concrete for building columns is

(A) 25mm

(B) 50mm

(C) 75mm

(D) 100mm

30. A mass diagram is used in

(A) Preparation of hydrograph

(B) Planning of excavation of earth work

(C) Tunnel Work

(D) All of the above

31. Which buitmen is least viscous ?

(A) 44/50

(B) 50/60

(C) 70/80

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(D) 80/100

32. Which of the following defects occur in filled timber?

(A) Heart shakes

(B) Star shakes

(C) Cup shakes

(D) Radial shakes

33. Sewage system is designed for

(A) Maximum flow only

(B) Minimum flow only

(C) Average flow only

(D) Maximum and Mminium flow

34. Along the neutral axis of simply supported beam

(A) Fibers are only stressed but not strained

(B) Fibers suffer maximum strain

(C) Fibers do not undergo strain

(D) Fiber suffer maximum compressive stress

35. A bridge constructed to enable a road to pass under land

(A) Floating bridge

(B) Over bridge

(C) Under bridge

(D) Sub-way

36. Which type of floor would you recommend for factory hall.

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(A) Marble

(B) Asphalt

(C) Flagstone

(D) Tiles

37. The maximum negative bending moment in case of fixed beam carring
U.D.L is at

(A) Mid span

(B) 1/3rd of the span

(C) 1/4th of the span

(D) Supports

38. For ductile materials, the most appropriate theory is

(A) Maximum Shear stress throry

(B) Maximum Principle stress theory

(C) Maximum Principle Strain theory

(D) None of these

39. The Plastic limit exists in

(A) Sandy soil

(B) Gravel soil

(C) Clay

(D) No of these

40. The poisson ratio for concrete is approxiamtely

(A) 0.15

(B) 0.3

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(C) 0.05

(D) 0.5

41. The bond strength of concrete increases with

(A) The quantity of steel

(B) The tensile strength of steel

(C) The quantity of concrete

(D) None of these

42. As compared to shallow wells, deep wells have

(A) Less depth

(B) More depth

(C) Less discharge

(D) More discharge

43. The equation for channel flow V=0.66m , D=0.64m was developed by

(A) Manning

(B) Lacey

(C)Kennedy

(D) Chezy

44. Rivets are generally specified by

(A) Width of head

(B) Diameter of the hole

(C) Length of the shank

(D) Diameter of shank

45. Loess is

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(A) A wind blown silt

(B) Pure silica sand

(C) A glacial deposit

(D) Water transported sand

46. A series of straight, parallel and equally spaced contours represent

(A) An inclined surface

(B) A plane surface

(C) A canal

(D) An irregular slope

47. In case , the length of a chain used for measurment is too short, the
error will be

(A) Positive

(B) Negative

(C) The error is precisly 0.009 m positive for every chain length of 5m

(D) The error is precisely 0.009 m negative for every chain length of 5m

48. In a singly reinforced beam, the effective depth is measured from its
compression edge to

(A) Tensile edge

(B) Tensile reinforcement

(C) Neutral Axis of the beam

(D) Anywhere below neutral axis

49. Spacing of stirrups in rectangular beam, is

(A) Kept constant through out the length

(B) Decreased towards the center of the beam

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(C) Increased at the ends

(D) Increased at the center of the beam

50. The amount of reinforcement for main bars in slab, is based upon

(A) Minimum bending moment

(B) Maximum bending moment

(C) Minimum shear force

(D) Maximum shear force

51. The following figure represents the bending moment diagram for

(A) Simply supported beam with point load at the center

(B) Simply supported beam with U.D.L

(C) Fixed beam with a point load at the center

(D) Fixed beam with U.D.L

52. The C.G. of a right circular cone lies on its axis of symmetry at a height of

(A)h/2

(B)h/3

(C)h/4

(D)h/5

53. The maximum bending moment due to a moving load on a simply

(A)At the mid span

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(B)At the supports

(C)Under the load

(D)Anywhere on the beam

54. A diagram which shows the variations of the axial load for all sections of
the span of a beam, is called

(A)Bending moment diagram

(B)Shear force diagram

(C)Thrust diagram

(D)Stress diagram

55. The rails get out of their original positions due to insufficient expansion
gap. This phenomenon is known

(A)Hogging

(B)Buckling

(C)Creeping

(D)None of these

56. The sleepers resting directly on girder are fastened to the top flange of
girder by

(A)Hook bolts

(B)Dog spikes

(C)Fang bolts

(D)Rail screws

57. Wheels of a rolling stock are provided flanges on

(A)Outer side

(B)Inner side

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(C)Both sides

(D)Neither side

58. Burge formula Q = 19.6 (A/L2/3) cumecs is based upon

(A)Rainfall and drainage area

(B)Run off and drainage area

(C)Drainage area and its shape

(D)Drainage area

59. In a chute spillway, the flow is usually

(A)Uniform

(B)Subcritical

(C)Critical

(D)Super critical

60. If the group index value of sub-grade is between 5 and 9, then the sub-
grade is treated as

(A)Good

(B)Fair

(C)Poor

(D)Very poor

61. The distance travelled by revolving the wheel of a vehicle more than its
circumferential movement, is known as

(A)Slip

(B)Skid

(C)Neither (a) nor (b)

(D)Both (a) and (b)

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62. The maximum allowable Los Angeles abrasion value for high quality
surface course is

(A)10 %

(B)20 %

(C)30 %

(D)45 %

63. The normal value of over flow rates for plain primary sedimentation
tanks, ranges between

(A)25,000 to 35,000 litres/sqm/day

(B)40,000 to 50,000 litres/sqm/day

(C)50,000 to 60,000 litres/sqm/day

(D)80,000 to 100,000 litres/sqm/day

64. For design of sewers, percentage of sewage discharge is assumed

(A) 65 to 70%

(B) 70 to 75%

(C) 75 to 80%

(D) 85%

65. For walls, columns and vertical faces of all structural members, the form
work is generally removed after

(A) 24 to 48 hours

(B) 3 days

(C) 7 days

(D) 14 days

66. To prevent segregation, the maximum height for placing concrete, is

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(A) 100 cm

(B) 125 cm

(C) 150 cm

(D) 200 cm

67. Direct load carrying capacity of a brick masonry wall standing freely as
against when it supports RC slab will be

(A)More

(B)Less

(C)The same in both the cases

(D)100 %

68. The direct cost of a project with respect to normal time is

(A) Minimum

(B) Maximum

(C) Zero

(D) Infinite Answer

69. Bed bars in a canal are provided

(A)To watch the general behaviour of canal

(B)To measure the discharge

(C)To raise the supply level

(D)To control the silting

70. The coefficient of hardness of stones used in road work should be

(A)10

(B)12

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(C)15

(D)17

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