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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

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  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

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  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

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  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

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  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

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  11. 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 ?

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

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

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

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

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

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

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

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  19. 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 ?

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

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