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Civil Engineering :: UPSC Civil Service Exam Questions

  1. A vertical photograph of a chimney was taken from an elevation of 500 m above M.S.L, The elevation of the base of the chimney was 250 m. If the relief displacement of the chimney was 51.4 mm and the radial distance of the image of the top of the chimney was 110 mm, the height of the chimney is

  2. A.
    233.64 m
    B.
    133.2 m
    C.
    116.82 m
    D.
    58.41m

  3. A beam of rectangular cross-section (b x d) is subjected to a torque T. What is the maximum torsional stress induced in the beam ?(Where b < d, and α is a constant)


  4. A simply supported beam is subjected to an eccentric concentrated load. Where does the maximum deflection of the beam due to the applied load occur ?

  5. A.
    Directly under the load
    B.
    At the centre of the beam
    C.
    Between the load point and the nearest end support
    D.
    Between the load point and centre of the beam.

  6. Which of the following factors are taken into account for estimating the runway length required for aircraft landing
    1. Normal maximum temperature.
    2. Air port elevation.
    3. Maximum lending weight.
    4. Effective runway gradient.
    Select the correct answer using the codes given below:

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

  8. Two geometrically similar pumps are running at the same speed of 1000 r.p.m. and lifting water against the heads of 25 m and 16 m respectively. First pump is having an impeller diameter of 300 mm. The impeller diameter of second pump shall be

  9. A.
    192 mm
    B.
    240 mm
    C.
    300 mm
    D.
    469 mm

  10. If the flange angle is β, coefficient of friction between flange and rail is μ, the derailment coefficient according to Nadal's formula should not exceed


  11. Consider the following field tests :
    1. Vertical pile load test
    2. Cyclic pile load test
    3. Lateral pile load test
    4. Instrumented test pile
    While estimating the load carrying capacity of a pile, the tests that can be used for separating the skin resistance from point resistance, would include

  12. A.
    1 and 3
    B.
    1 and 4
    C.
    2 and 3
    D.
    2 and 4

  13. Consider the following statements :
    In water supply distribution network,
    1. the grid-iron system requires more length of pipe lines and larger number of cut-off valves.
    2. the design of the grid-iron system is difficult but economical.
    3. employing a grid-iron system, the dead ends are completely eliminated.
    4. employing a grid-iron system permits more water to be diverted towards the affected point from various directions.
    Which of the statements given above are correct ?

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

  15. The entry of foul smelling gases into the house coming from the sewers can be prevented by

  16. A.
    providing water seals for all the fixtures
    B.
    providing water seals for all the fixtures and a vent pipe in the plumbing system
    C.
    providing sufficient vent pipes in the plumbing system
    D.
    exhaust fans

  17. In the alignment of an irrigation channel wherefrom offtakes have to be provided at regular intervals, changes in the given channel parameters are made use of. The correct sequence of the decreasing order of preference of these parameters is

  18. A.
    Width, slope, depth
    B.
    Width, depth, slope
    C.
    Depth, slope, width
    D.
    Depth, width, slope