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Civil Engineering :: UPSC Civil Service Exam Questions

  1. A bar 4 cm in diameter is subjected to an axial load of 41. The extension of the bar over a gauge length of 20 cm is 0.03 cm. The decrease in diameter is 0.0018 cm. The Poisson's ratio is

  2. A.
    0.25
    B.
    0.30
    C.
    0.33
    D.
    0.35

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  3. The kinetic energy in Nm of a circular disc of 20 m diameter and 10 cm thick, of material weighing 100 kg/m3, rotating above an axis through its centre at right angles to its place and making 2000 rpm is

  4. A.
    B.
    C.
    2 x 108 π3
    D.
    4 x 108 π3

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  5. The upper limit of area ratio for which the amount of disturbance of soil sample can be considered to be small is

  6. A.
    10%
    B.
    15%
    C.
    20%
    D.
    25%

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  7. For the beam shown in figure, what are the distribution factors at joint B ?

  8. A.
    0.4, 0.6
    B.
    0.5, 0.5
    C.
    0.6, 0.4
    D.
    0.65, 0.35

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  9. Consider the following statements :
    The daily per capita consumption of water apparently increases with
    1. higher standard of living of people.
    2. availability of sewerage in the city.
    3. metered water supply.
    4. wholesome and potable quality of water.
    Which of these statements are correct ?

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

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  11. A river model is constructed to a horizontal scale of 1:1000 and a vertical scale of 1:100. A model discharge in the prototype, of what magnitude ?

  12. A.
    102 m3 /s
    B.
    103 m3 /s
    C.
    104 m3 /s
    D.
    105 m3 /s

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  13. If a 30 m length can be taped with a precision of ± 0.01 m, then the standard error of measuring 1.08 km with the same precision will be

  14. A.
    ± 0.54 m
    B.
    ± 0.45 m
    C.
    ± 0.36 m
    D.
    ± 0.06 m

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  15. a grit chamber of dimensions 12.0 m x 1.50 x 800 m liquid depth has a flow of 720 m3/hr. Its surface loading rate and detention time are, respectively,

  16. A.
    40000 m3/hr/m2 and 1.2 minute
    B.
    40000 1 ph/m2 and 40 minutes
    C.
    40 m/hr/m2 and 12 minutes
    D.
    40000 1 ph/m2 and 1.2 minute

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  17. In signals system design of Railways the distance at which the outer signal is to be placed is decided on basis of the

  18. A.
    Allowable speed
    B.
    Running speed
    C.
    Minimum speed
    D.
    Journey speed

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  19. Which one of the following is the best method for the stabilization of the clayey subgrade in water-logged area ?

  20. A.
    Cement stabilization
    B.
    Lime stabilization
    C.
    Bitumen stabilization
    D.
    Stabilization by grouting

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