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Civil Engineering :: UPSC Civil Service Exam Questions

  1. If s is the shear strength, c and Φ are shear strength parameters, and σn is the normal stress at failure, then Coulomb's equation for shear strength of the soil can be represented by

  2. A.
    c = s + σs tan Φ
    B.
    c = s - σn tan Φ
    C.
    s = σn + c tan Φ
    D.
    s = c - σn tan Φ

  3. The beam shown in the figure given above is subjected to concentrated load and clockwise couple. What is the vertical reaction at A ?

  4. A.
    10 kN
    B.
    40 kN
    C.
    50 kN
    D.
    30 kN

  5. What is the vertical displacement at the point C of the structure shown in the figure ?


  6. If all the dimensions of a prismatic bar of square cross-section suspended freely from the ceiling of a roof are doubled then the total elongation produced by its own weight will increase

  7. A.
    eight times
    B.
    four times
    C.
    three times
    D.
    two times

  8. Which of the following statements are true for the pile shown in the figure ?
    1. Frictional resistance acts upwards through the length of the pile.
    2. Negative skin friction acts over the length AB
    3. Frictional resistance acts upwards over the length BC
    4. There is point resistance at level C
    Select the correct answer using the codes given below :

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

  10. If the standard meridian is 82°30' E and the standard time at longitude 90°E is known to be 8 hr 30 m, the corresponding local mean time at the place will be

  11. A.
    7 hr 00 m
    B.
    8 hr 00 m
    C.
    8 hr 30 m
    D.
    9 hr 00 m

  12. For a masonry dam of base width b, at which location w.r.t. the central line, should the resultant loading intersect the section to avoid tension in any horizontal section ?

  13. A.
    Outside of b/6
    B.
    Within b/6
    C.
    Within b/8
    D.
    At the central line

  14. Consider the following statements :
    Excessive camber is not provided on the roads because
    1. Transverse tilt causes uncomfort
    2. Of formation of cross ruts
    3. Of likely toppling over of highly laden bullock carts
    4. Of higher costs involved
    Which of the statements given above are correct ?

  15. A.
    2, 3 and 4 only
    B.
    1, 3 and 4 only
    C.
    1, 2 and 4 only
    D.
    1, 2 and 3 only

  16. Consider the following statements :
    1. A project has a mission.
    2. A project has to terminate at some time or the other.
    3. Projects vary in terms of technology, equipment and materials, machinery and people, work ethics and organisational culture.
    Amongst the above, the characteristic features for a project are

  17. A.
    1 and 2
    B.
    2 and 3
    C.
    1 and 3
    D.
    1, 2 and 3

  18. Which one of the following gives the correct distance between the lighthouse and a ship, when the lighthouse whose height is 100 m is visible just above the horizon from the ship ?

  19. A.
    30.68 km
    B.
    36.50 km
    C.
    38.54 km
    D.
    40.54 km