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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Which one of the following systems of pre-stressing is suitable for pre-tensioned members ?

  2. A.
    Freyssinet system
    B.
    Magnel-Blaton system
    C.
    Hoyer system
    D.
    Gifford-Udall system

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  3. Consider the following statements :
    Liquefaction is a phenomenon
    1. observed in fine sands
    2. associated with development of positive pore pressure.
    Which of the statements given above is/are correct ?

  4. A.
    1 only
    B.
    2 only
    C.
    Both 1 and 2
    D.
    Neither 1 nor 2

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  5. Which of the following pairs is/are correctly matched ?
    1. Eutrophication.... Nutrient accumulation leading to ecosystem change occurring in impounded water.
    2. Autotrophism.... Utilization, rearrangement and decomposition of complex materials predominate.
    3. Heterotrophism....Predominance of fixation of light energy, use of simple inorganic substances and built-up complex substances.
    Select the correct answer from the codes given below :

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

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  7. Consider the following statements :
    A grillage base is checked for
    1. bending
    2. shear
    3. compression
    4. web crippling
    Which of these statements are correct ?

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

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  9. In the pin-jointed plane truss shown above, what is the magnitude and nature of force in member BC?

  10. A.
    Zero
    B.
    50 kN (tensile)
    C.
    50 kN (compressive)
    D.

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  11. A footing is resting on a fully saturated clayey strata. For checking the initial stability, shear parameters are used from which one of the following ?

  12. A.
    Consolidated non-drained test
    B.
    Unconsolidated drained test
    C.
    Unconsolidated non-drained test
    D.
    Unconsolidated non-drained test with pore pressure measurement

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  13. Consider the following factors :
    1. Reaction time
    2. Speed
    3. Coefficient of longitudinal friction
    4. Gradient
    Which of these factors are taken into account for computing braking distance ?

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

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  15. For the purpose of designing a well point system for lowering ground water table in a sandy silt deposit, the coefficient of permeability of the soil is to be determined. Which one of the following methods would be most suitable ?

  16. A.
    Constant Head Permeameter Test
    B.
    Variable Head Permeameter Test
    C.
    Pumping out Test in the field
    D.
    Pumping in Test in the field

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  17. Which of the following are associated with alum coagulation ?
    1. A decrease of alkalinity in treated water
    2. Formation of hydroxide flocs of aluminium
    3. A slight decrease of pH in treated water
    4. An increase of permanent hardness
    Select the correct answer using the codes given below :

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

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  19. Consider the following statements :
    For an over-reinforced (singly reinforced) rectangular RC section.
    1. the lever arm will be less than that for a balanced section.
    2. the maximum stress developed by steel would equal the allowable stress in steel.
    3. the maximum stress developed by concrete would equal allowable stress in concrete.
    Of these statements :

  20. A.
    1 and 2 are correct
    B.
    1 and 3 are correct
    C.
    2 and 3 are correct
    D.
    1, 2 and 3 are correct

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