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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

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  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

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  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

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  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)

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  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

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  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.

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  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

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  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

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  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

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  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

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