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Civil Engineering :: UPSC Civil Service Exam Questions

  1. A ladder AB of weight W and length l is held in equilibrium by a horizontal force P as shown in the figure given above. Assuming the ladder to be idealized as a homogeneous rigid bar and the surfaces to be smooth, which one of the following is correct ?

  2. A.
    B.
    C.
    D.
    P = 2 W cos θ

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  3. In the structure shown in the given figure, the fixed end moment at joint 'A' is

  4. A.
    PL/16
    B.
    5PL/48
    C.
    7PL/64
    D.
    PL/8

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  5. Wearing locations of rails and their reasons are listed below :
    1. Wear at end of rails : Loose fish bolts
    2. Wear at sides of rail head : Constant lerake application
    3. Wear on the top of rail head on tangent truck : Rigidity of wheel base
    4. Wear on top of rail head on curves : Lesser area of contact between wheel and rail Which of the pairs given above are correctly matched ?

  6. A.
    1 and 4
    B.
    1 and 2
    C.
    2 and 3
    D.
    1, 2, 3 and 4

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  7. The cleaning of slow sand filter is done by

  8. A.
    reversing the direction of flow of water
    B.
    passing air through the filter
    C.
    passing a solution of alum and lime through the filter
    D.
    scraping off the top layers of sand and admitting water

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  9. In the plane truss shown above, how many numbers have zero force?

  10. A.
    3
    B.
    5
    C.
    7
    D.
    9

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  11. In a laminar boundary layer, the velocity distribution can be assumed to be given, in usual notations, as

    Which one of the following is the correct expression for the displacement thickness δ* for this boundary layer ?

  12. A.
    δ* = δ
    B.
    δ* = δ/2
    C.
    δ* = δ/4
    D.
    δ* = δ/6

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  13. In a plate load test, how is the ultimate load estimated from the load settlement curve on a log-log graph ?

  14. A.
    Directly
    B.
    By drawing tangents to the curve at the initial and final points
    C.
    By the secant method
    D.
    At 0.2 percent of the maximum settlement

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  15. The standard Proctor compaction curve of a clay is depicted in the above figure. Points A, B and C correspond to three compaction states of the soil, which fall on this curve. For which point(s) is the coefficient of permeability minimum ?

  16. A.
    A and C
    B.
    A
    C.
    B
    D.
    C

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  17. In which one of the following grades of a highway is an emergency escape ramp provided ?

  18. A.
    1 in 200
    B.
    Zero grade
    C.
    Downgrade
    D.
    Upgrade

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  19. Ratio of the width of the car parking area required at kerb for 30° parking relative to 60° parking is approximately

  20. A.
    0.5
    B.
    0.7
    C.
    0.8
    D.
    2.0

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