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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Consider the following factors :
    1. Period of construction, winter/summer
    2. Degree of foundation roughness
    3. Slab thickness
    4. Reinforced/unreinforced
    Which of these factors are considered as per IRC for obtaining the maximum expansion joint spacing in rigid pavements ?

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

  3. The concentration of hardness producing cations may be estimated using which one of the following ?

  4. A.
    Conductivity meter
    B.
    pH meter
    C.
    Spectrophotometer
    D.
    Flame photometer

  5. A vehicle is moving up on an inclined plane. The vehicle has rear-wheel drive. Force of friction on the rear wheels will be in a direction

  6. A.
    along the plane but backward
    B.
    backward at an angle φ with the plane, where φ is the friction angle
    C.
    along the plane but forward
    D.
    forward at an angle φ with the plane, where φ is the friction angle

  7. Consider the following statements :
    In the case of close coiled spring carrying an axial loading the spring is subjected to :
    1. torsion
    2. axial force
    3. bending moment the effect of which can be neglected.
    Of these statements :

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

  9. The given figure shows a frame to be analysed by moment distribution method. The distribution factors for members GF, GH and GD will be respectively


  10. Which one of the following equations correctly gives the relationship between the specific graivity of soil grains (G) and the hydraulic gradient (i) to initiate 'quick' condition in a sand having a void ratio of 0.5 ?

  11. A.
    G = 0.5 i + 1
    B.
    G = i + 0.5
    C.
    G = 1.5 i + 1
    D.
    G = 1.5 i - 1

  12. What is the bending moment at A for the bent column shown in the D figure ?

  13. A.
    40 kNm
    B.
    20 kNm
    C.
    10 kNm
    D.
    Zero C

  14. Consider the following statements :
    The principle of superpositions is applied to :
    1. Linear elastic bodies
    2. Bodies subjected to small deformations.
    Of these statements :

  15. A.
    1 alone is corrrect
    B.
    1 and 2 are correct
    C.
    2 alone is correct
    D.
    neither 1 nor 2 is correct

  16. In which type of lakes, does a perfect ecological equilibrium among the producers, decomposers and consumer groups of organisms exist ?

  17. A.
    Senescent lakes
    B.
    Mesotrophic lakes
    C.
    Oligotrophic lakes
    D.
    Eutrophic lakes

  18. A soil deposit has three layers having same thickness each but the permeabilities of the layers are in the ratio of 1 : 2 : 4 from top to bottom. What is the ratio of average permeability in the horizontal direction to that in the vertical direction ?

  19. A.
    7 : 2
    B.
    14 : 6
    C.
    28 : 24
    D.
    49 : 36