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Civil Engineering :: UPSC Civil Service Exam Questions

  1. In a situation where torsion is dominant, which one of the following is the desirable section ?

  2. A.
    Angle section
    B.
    Channel section
    C.
    I-section
    D.
    Box type section

  3. Consider the following statements :
    (a) Setting and hardening of cement takes place after the addition of water.
    (b) Water causes hydration and hydrolysis of the constituent compounds of cement which act as binders
    Which of the statements given above is/are correct ?

  4. A.
    1 only
    B.
    2 only
    C.
    Both 1 and 2
    D.
    Neither 1 nor 2

  5. The effective length of the member shown in the given figure is equal to

  6. A.
    1.2 L
    B.
    1.5 L
    C.
    2.0 L
    D.
    3.0 L

  7. A surface longitudinally centered on the extended runway centre line and extending outward and upward from each end of the primary surface is known as

  8. A.
    conical surface
    B.
    transition surface
    C.
    approach surface
    D.
    horizontal surface

  9. A flownet for an earth dam on impervious foundation consists of 4 flow channels and 15 equipotential drops. The full reservoir level is 15 m above the downstream horizontal filter. Given that horizontal permeability is 9 x 10-6 m/s and vertical permeability is 1 x 10-6 m/s, the quantity of seepage through the dam will be

  10. A.
    36 ml/s/m
    B.
    25 ml/s/m
    C.
    20 ml/s/m
    D.
    15 ml/s/m

  11. Which of the following are the disadvantages of non-tilting type concrete mixers ?
    1. They are not favoured when large sized aggregates are used.
    2. Mixing of the concrete occurs through both rolling and pulling from buckets.
    3. Content of fines is increased.
    4. They are not easy to clean.
    Select the correct answer using the codes given below:

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

  13. A round bar made of same material consists of 3 parts each of 100 mm length having diameters of 40 mm, 50 mm and 60 mm respectively. If the bar is subjected to an axial load of 10 kN, the total elongation of the bar would be (E is the modulus of elasticity in kN/mm2)


  14. Which of the following factors have to be considered for the design of the flexible pavement for a highway ?
    1. Design wheel load
    2. Strength of pavement component material
    3. Expansion joints
    4. Climatic factors
    Select the correct answer using the codes given below :

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

  16. For practically impervious type of soil, the coefficient of permeability is determined using

  17. A.
    variable head test
    B.
    constant head test
    C.
    consolidation test
    D.
    pumping test

  18. The basic action involved in sheep foot rolling is

  19. A.
    Kneading
    B.
    Pressing
    C.
    Tamping
    D.
    Vibration