Home / Civil Engineering / UPSC Civil Service Exam Questions :: Section 21

Civil Engineering :: UPSC Civil Service Exam Questions

  1. For sampling saturated sands and other soft and wet soils satisfactorily, the most suitable soil sampler is

  2. A.
    open drive thin-walled tube sampler
    B.
    standard split-spoon sampler
    C.
    stationary piston sampler
    D.
    rotary sampler

  3. A 30 cm diameter friction pile is embedded 10 m into a homogeneous consolidated deposit. Unit adhesion developed between clay and pile shaft is 4 t/m2 and adhesion factor is 0.7. The safe load for factor of safety 2.5 will be

  4. A.
    21.50 t
    B.
    11.57 t
    C.
    10.55 t
    D.
    6.35 t

  5. Consider the following statements :
    1. Point of contraflexure is the point where the bending moment is maximum.
    2. Point of cantraflexure is the point where the bending moment changes sign.
    3. Point of contraflexure is the point where the shear force is zero.
    Which of these statements is/are correct ?

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

  7. What is the significant purpose of monitoring a project through its implementation phase ?

  8. A.
    To fix responsibility for delays
    B.
    To revalue the project with control over cost over-run
    C.
    To revalue the project with minimum time over-run
    D.
    To revalue the project with optimal time and cost over-run

  9. The yield of a well depends upon

  10. A.
    permeability of soil
    B.
    area of aquifer opening into the wells
    C.
    actual flow velocity
    D.
    all of the above

  11. The coordinates of two end-points A and B traverse line AB are XA = 1000.00 m, YA = 1000.00 m XB = 2000.00 m, YB = 1000.00 m The bearing of the line AB will be

  12. A.
    0°0'00"
    B.
    60°0'00"
    C.
    90°0'00"
    D.
    180°0'00"

  13. Consider the following statements relating to compressible flow :
    1. In a contracting conduit, sonic velocity is reached in the minimum cross-sectional area.
    2. In a contracting conduit, supersonic velocities are reached only in the expanding section downstream from the minimum section.
    3. An expansion shockwave is physically possible and can be exhibited.
    4. In the Laval nozzle it is possible to obtain a velocity greater than the velocity of sound in the expanding section of nozzle.
    Of these statements :

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

  15. Consider the following factors :
    1. Elevation
    2. Temperature
    3. Gradient
    4. Trip length.
    For finding the runway length, which of these are taken into reckoning ?

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

  17. Which one of the following is the reaction of the cantilever at B as shown in the figure ?

  18. A.
    3/8 wl
    B.
    5/8 wl
    C.
    6/17 wl
    D.
    3/21 wl

  19. If a road surface is adequately superelevated on horizontal curve, which one of the following is the proper distribution of pressure on the vehicle wheels ?

  20. A.
    Pressure on both outer and inner wheels is equal
    B.
    Pressure on inner wheels is more than the outer wheels
    C.
    Pressure on inner wheels is less than the outer wheels
    D.
    Pressure on front wheels is thrice the pressure on rear wheels