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Civil Engineering :: UPSC Civil Service Exam Questions

  1. What is the type of soil structure having arrangement of soil particles with a 'face to face' or parallel orientation generally recognized as

  2. A.
    Honeycomb structure
    B.
    Single-grained structure
    C.
    Flocculent structure
    D.
    Dispersed structure

  3. In the case of a three-pinned parabolic arch carrying a uniformly distributed load on the entire span, then bending moment will be

  4. A.
    equal to that of a simply supported beam loaded in the same manner
    B.
    maximum at quarter span
    C.
    zero only at the centre
    D.
    zero throughout the span

  5. To make certain that the backfill material is more pervious than the soil to be drained, the relationship used in

  6. A.
    (D15)Filter ≤ 5 (D85)Protected soil
    B.
    (D15)Filter ≥ 5 (D85)Protected soil
    C.
    (D15)Filter ≥ 5 (D15)Protected soil
    D.
    (D15)Filter ≤ 5 (D15)Protected soil

  7. A perfect plane frame having n number of members and j number of joints should satisfy the relation

  8. A.
    n < (2j - 3)
    B.
    n = (2j - 3)
    C.
    n > (2j - 3)
    D.
    n = (3 - 2j)

  9. Which of the following determination are NOT necessary for raw water from a lake for use as source of supply of water for boiler-feed ?
    1. Turbidity
    2. Bacterial count
    3. Iron
    4. Hardness.
    Select the correct answer using the codes given below :

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

  11. A beam of square section of side 'a' is plane in the following way :
    Case I: with two sides horizontal
    Case II: with a diagonal horizontal
    The ratio of the section modulus of Case I that of Case II is

  12. A.
    2
    B.
    2
    C.
    D.

  13. Consider the following statements :
    1. Tests on cement paste to determine initial and final setting times are done at normal consistency condition.
    2. Low heat cement has a high percentage to tricalcium aluminate.
    3. High early strength portland cement contains a larger percentage of tricalcium silicate and a lower percentage of dicalcium silicate.
    Which of these statements are correct ?

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

  15. What is the vertical deflection of joint C of the frame shown in figure ?

  16. A.
    PL/AE
    B.
    2PL/AE
    C.
    PL/2AE
    D.
    3PL/AE

  17. Which of the following pairs is not correctly matched ?

  18. A.
    B.O.D. - Strength of sewage
    B.
    Methane - Product of anerobic decomposition
    C.
    C.O.D. - Biodegradability ofwaste-water
    D.
    Nitrate - Methemoglobinemia

  19. In consolidation testing, curve fitting method is used to determine

  20. A.
    compression index
    B.
    swelling index
    C.
    coefficient of consolidation
    D.
    time factor