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Civil Engineering :: UPSC Civil Service Exam Questions

  1. A symmetrical channel section is made of a material which is equally strong in tension and compression. It is used as a simply supported beam with its web horizontal to carry vertical loads. It will

  2. A.
    be strongest if the web is used as top face
    B.
    be strongest if the web is used as bottom face
    C.
    be equally strong in (a) and (b) above
    D.
    not be possible to state which of the above statements is correct

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  3. A machine costing Rs. 8, 500 will have a scrap value of Rs. 300. Machines of this class have a working hour average life of 25, 000 hours. What will be the depreciation charge at the end of the first year, if the machine is operated for a total of 1500 hours ? (use straight line method of depreciation)

  4. A.
    Rs. 492.00
    B.
    Rs. 542.00
    C.
    Rs. 548.50
    D.
    Rs. 692.00

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  5. The limits of percentage p of the longitudinal reinforcement in a column is

  6. A.
    0.15% to 2%
    B.
    0.8% to 4%
    C.
    0.8% to 6%
    D.
    0.8% to 8%

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  7. Figure shows the forces acting on a body. Each square is 3 cm x 3 cm. If F1 = 30 N, F2 = 15 N, F3 = 25 N and F4 = 20 N, the resultant force and the moment about point O, respectively, are

  8. A.
    0 N, 0 Ncm
    B.
    90 N, 80 Ncm
    C.
    60 N, 60 Ncm
    D.
    30 N, 30 Ncm

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  9. A simply supported beam of span (l) carries a point load W at midspan. The breadth 'b' of the beam along the entire span is constant. Given, f = permissible stress in bending, for a beam of uniform strength, the depth of the beam at any cross-section, at a distance x from the support would be :

  10. A.
    6Wx/fb
    B.
    6Wx/fb
    C.
    3 Wx/fb
    D.
    3 Wx/fb

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  11. In the truss shown in the given figure which one of the following members has no force induced in it ?

  12. A.
    CD
    B.
    CE
    C.
    CF
    D.
    DF

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  13. Consider the following statements :
    A : An isotropic material is always homogeneous.
    R : An isotropic material is one in which all the properties are the same in all the directions
    at every point.
    Of these statements :

  14. A.
    Both A and R are true and R is the correct explanation of A
    B.
    Both A and R are true but R is not a correct explanation of A
    C.
    A is true but R is false
    D.
    A is false but R is true

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  15. The ratio of pressures between two points A and B located respectively at depths 0.5 m, and 2 m below a constant level of water in a tank is

  16. A.
    1 : 2
    B.
    1 : 2
    C.
    1 : 4
    D.
    1 : 16

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  17. The acceleration of a particle starting from rest varies with time according to the relation a = - sω2 sin ωt
    What is the displacement of this particle at a time t ?

  18. A.
    s sin ωt
    B.
    sω cos ωt
    C.
    sω sin ωt
    D.
    - 1/2 (sω2 sin ωt)t2

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  19. For which one of the following purposes is the double mass curve used ?

  20. A.
    Checking on the consistency of precipitation records
    B.
    Prediction of annual precipitation
    C.
    Defining which periods of storm should be analyzed to obtain the maximum useful information from storm rainfall records
    D.
    For estimating the capacity of a reservoir.

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