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Civil Engineering :: UPSC Civil Service Exam Questions

  1. The defect which develops due to uncontrolled and non-uniform loss of moisture from wood is known as which one of the following ?

  2. A.
    Kont
    B.
    Shake
    C.
    Warping
    D.
    Cross grain

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  3. Consider the following statements in respect of the critical depth of flow in a prismatical rectangular channel:
    1. For known specific emergy, discharge is minimum.
    2. For known discharge, the specific energy is minimum.
    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

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  5. On the basis of the data given in the following figures, the bending moment under the load would work out to

  6. A.
    2 kN.m
    B.
    4 kN.m
    C.
    6 kN.m
    D.
    12 kN.m

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  7. What is the innermost portion of approach zone which is the most critical portion from obstruction viewpoint, called ?

  8. A.
    Outer horizontal surface
    B.
    Conical surface
    C.
    Inner horizontal surface
    D.
    Clear zone

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  9. A circular plate 100 mm diameter is welded to another plate by means of 6 mm fillet weld. If the permissible shearing stress in the weld equals 10 kg/mm2, then the greatest twisting moment that can be resisted by the weld will be

  10. A.
    424 π kg.m
    B.
    300 π kg.m
    C.
    212 π kg.m
    D.
    60 π kg.m

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  11. A fixed beam is subjected to ment M0 as shown in the figure. The fixed end moments will be :

  12. A.
    zero
    B.
    M0
    C.
    M0/2
    D.
    2M0

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  13. Consider the following steps :
    1. Driving sheet piles surrounding a vibration-receiving structure.
    2. Digging a trench around a source of vibration.
    3. Placing rubber mountings between a machine causing vibration and its base. Active isolation of vibration can be achieved by

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

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  15. Two reservoirs at different surface elevations are connected by a set of two pipes A and B of same diameter and length in parallel. If the friction factor of A is 4 times that of the pipe B, what is the ratio of the discharge in A to that in B ?

  16. A.
    0.25
    B.
    4.0
    C.
    2.0
    D.
    0.5

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  17. Which of the following should be employed to provide lateral support to the beams ?
    1. Bracing of compression flanges.
    2. Shear connectors.
    3. Bracing of tension flanges
    4. Embedding compression flanges into R.C.C. slab.
    Select the correct answer using the codes given below :

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

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