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Civil Engineering :: UPSC Civil Service Exam Questions

  1. In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm2 and 1 kg/cm2 respectively. The angle of internal friction of the sand will be nearly

  2. A.
    25°
    B.
    31°
    C.
    37°
    D.
    43°

  3. In the network given in figure, the maximum number of shovels and dumpers required are

  4. A.
    6 shovels and 14 dumpers on days 9 and 10
    B.
    24 shovels and 10 dumpers on days 3 and 4
    C.
    30 shovels and 90 dumpers on all days
    D.
    10 shovels and 24 dumpers on days 3 and 4

  5. Consider the following statements :
    A good soil for making bricks should contain
    1. about 30% alumina
    2. about 10% lime nodules
    3. a small quantity of iron oxides
    4. about 15% magnesia.
    Of these statements :

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

  7. Service connection consists of

  8. A.
    ferrule, stopcock and gooseneck
    B.
    ferrule, check valve and gooseneck
    C.
    stopcock, meter and sluice valve
    D.
    sluice valve, check valve and meter

  9. In the phase diagrams given, the change due to initial state changing into final state is shown due to consolidation. Depth of soil layer undergoing consolidation is H ; e0 is initial void ratio; ef is final void ratio ; Δe is change in void ratio. Indicate which of the following expressions gives settlement of the layer :


  10. What does super-saturation of water body with DO cause ?

  11. A.
    Eutrophication
    B.
    Gas bubble disease in fish
    C.
    Methamoglobinemia
    D.
    Endemic goitre

  12. In a third order traverse, if the standard error of ± 3" is assigned to each of the four source of errors, namely :
    (i) reading the vernie
    (ii) non-adjustment of transit
    (iii) sighting and
    (iv) setting over the station, then the total standard error of the work would be

  13. A.
    ±3"
    B.
    ±6"
    C.
    ±6.92"
    D.
    ±12"

  14. Which one of the following statements is correct ?

  15. A.
    The axis of plate level should be parallel to the vertical axis.
    B.
    The axis of striding level must be parallel to the horizontal axis.
    C.
    The axis of the altitude level must be perpendicular to the plate level axis.
    D.
    The line of collimation must be perpendicular to the plate level axis.

  16. Consider the following statements regarding settlement of foundations :
    1. Differential settlement of foundation leads to structural damage to the superstructure.
    2. In non-cohesive soils, the major component of settlement is due to consolidation.
    3. Lowering of ground water table contributes of settlement of foundations.
    Of these statements :

  17. 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

  18. A solid circular shaft is subjected to a bending moment M and torque T. The ratio of maximum bending stress to the maximum shear stress is given by

  19. A.
    MT/2
    B.
    2M/T
    C.
    M/2T
    D.
    M/T