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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Which one of the following is not the reason for coning of wheels ?

  2. A.
    To reduce the wear and tear of wheel flanges and rails
    B.
    To provide the possibility of lateral movement of axle
    C.
    To reduce the unit weight of wheels
    D.
    To prevent wheels from slipping to some extent

  3. For a vertical stiffened web of a plate girder, the lesser clear dimension of the panel should not exceed :(Where t is the thickness of the web

  4. A.
    85 t
    B.
    180 t
    C.
    200 t
    D.
    250 t

  5. Deck bridges have the main disadvantage that

  6. A.
    their compression flanges have no lateral support
    B.
    the traffic is exposed to winds
    C.
    it is not possible to provide portal bracings
    D.
    the road level has to be very high

  7. Electrostatic precipitator is a device to control

  8. A.
    SO2 emission
    B.
    Particulate emission
    C.
    Both SO2 and particulate emission
    D.
    Precipitation of Al(OH)3 in water coagulation.

  9. For carrying out bituminous patch work during the rainy season, the most suitable binder is

  10. A.
    road tar
    B.
    hot bitumen
    C.
    cutback bitumen
    D.
    bituminous emulsion

  11. The vertices of an astronomical triangle would include

  12. A.
    zenith, pole and heavenly body
    B.
    azimuth, zenith and pole
    C.
    azimuth, pole and heavenly body
    D.
    azimuth, zenith and heavenly body

  13. In a restrained retangular slab subjected to uniformly distributed load, the yield lines form first

  14. A.
    along the shorter span on the loaded face of slab
    B.
    along the longer span on the loaded face of slab
    C.
    at the intersection of shorter and longer side
    D.
    along the centre line of the unloaded face of slab

  15. The channel section can be designed on the basis of Lacey's Theory. The steps are mentioned below :
    1. Finding out the perimeter
    2. Finding out the velocity
    3. Calculation of the silt factor
    4. Finding out the area
    What is the correct sequence of the steps ?

  16. A.
    4 - 2 - 3 - 1
    B.
    3 - 1 - 4 - 2
    C.
    4 - 1 - 3 - 2
    D.
    3 - 2 - 4 - 1

  17. The radius of curvature of an ideal transition curve should be

  18. A.
    inversely proportional to its length from the beginning
    B.
    directly proportional to its length from the beginning
    C.
    proportional to the speed of the vehicle
    D.
    proportional to the superelevation

  19. A dry soil has a mass specific gravity of 1.35. If the specific gravity of solids is 2.7, then the void ratio will be

  20. A.
    0.5
    B.
    1.0
    C.
    1.5
    D.
    2.0