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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Vibratory rollers are more useful for compacting which of the following ?

  2. A.
    Sandy soils
    B.
    Silty soils
    C.
    Clayer soils
    D.
    Mixed soils

  3. What does the wind Rose Diagram (WRD) for orientation of airport runway give ?

  4. A.
    Direction of wind
    B.
    Direction and duration of wind
    C.
    Direction, duration and intensity of wind
    D.
    None of the above

  5. The head loss caused due to sudden expansion of pipe from area A1 to area A2 and the velocity from V1 to V2 is given by


  6. A simply supported continuous beam with two equal spans carries uniformly distributed load w on entire length of the beam. If each span has a length L, the bending moment at the central support is


  7. Which one of the follewing represents a circumpolar star ?

  8. A.
    Upper culmination above horizon, lower culmination below horizon
    B.
    Both upper and lower culminations below horizon
    C.
    Both upper and lower culminations above horizon
    D.
    Altitude at upper culmination is minimum

  9. What is the ratio of maximum shear stress to average shear stress for a circular section ?

  10. A.
    2
    B.
    C.
    D.

  11. If a circular shaft is subjected to a torque T and a bending moment 'M' the ratio of the maximum shear stress to the maximum bending stress is given by :

  12. A.
    2M/T
    B.
    T/2M
    C.
    2T/M
    D.
    M/2T

  13. Which one of the following statements is not correct ?

  14. A.
    Models are always smaller than the prototypes.
    B.
    Dynamic similarity between a model and a prototype can be verified by equating Reynold's number in a viscous flow.
    C.
    Mach number achieves significance when the velocity of fluid approaches or exceeds the sonic velocity.
    D.
    Distorted models are always exaggerated on a vertical scale.

  15. The construction of impounding reservoir is required when

  16. A.
    average annual flow in the stream is lower than average demand
    B.
    the rate of flow in the stream, in dry season in more than the demand
    C.
    the rate of flow in the stream, in dry season is less than the demand
    D.
    the rate of flow in the stream is equal to the demand

  17. The method of plane tabling commonly used for establishing the instrument station is a method of

  18. A.
    radiation
    B.
    intersection
    C.
    resection
    D.
    traversing