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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Which of the following characteristic features may be used while plotting a contour plan ?
    1. Two contour lines having the same elevation cannot unite the continue as one line.
    2. Contour lines closed together indicate a gentle slope.
    3. Contour lines cross a valley line at right angles.
    Select the correct answer using the codes given below:

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

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  3. The radial moment at the boundary of a simply supported circular slab of radius R, subjected to a uniformly distributed load of w will be

  4. A.
    wR2/8
    B.
    wR2/12
    C.
    3wR2/16
    D.
    zero

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  5. Soundness test of cement is done to determine its

  6. A.
    durability in sea water
    B.
    free-lime content
    C.
    iron oxide content
    D.
    alumina content

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  7. For a non-concurrent force system to be in equilibrium

  8. A.
    closure of the force polygon alone is sufficient
    B.
    closure of the funicular polygon alone is sufficient
    C.
    both force and funicular polygon must close
    D.
    the conditions mentioned at (a), (b) and (c) are not relevant

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  9. The displacement method is also referred to as which one of the following ?

  10. A.
    Minimum strain energy method
    B.
    Maxwell-Mohor method
    C.
    Consistent deformation method
    D.
    Slope-deflection method

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  11. If the CBR value obtained at 5 mm penetration is higher than that at 2.5 mm, then the test is repeated for checking ; and if the check test reveals a similar trend, then the CBR value is to be reported as the

  12. A.
    Mean of the values for 5 mm and 2.5 mm penetrations
    B.
    Higher value minus the lower value
    C.
    Lower value corresponding to 2.5 mm penetration
    D.
    Higher value obtained at 5 mm penetration

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  13. If a descending gradient of 1 in 25 meets an ascending gradient of 1 in 40, then the length of valley curve required for a headlight sight distance of 100 m will be

  14. A.
    30 m
    B.
    130 m
    C.
    310 m
    D.
    630 m

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  15. In rock masses reduction in strength occurs due to the presence of relatively large quantities of

  16. A.
    silica
    B.
    iron oxides
    C.
    orthoclase
    D.
    hornblende

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  17. What is the zone where fish life might tend to progressively dwindle when waste water, is discharged into a river, called ?

  18. A.
    zone of degradation
    B.
    zone of active decomporsition
    C.
    zone of mixing
    D.
    zone of recovery

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  19. Which one of the following states of field compaction of sand deposit truly represents the corrected standard penetration test value : N (corrected) = 27 ?

  20. A.
    Loose
    B.
    Medium dense
    C.
    Dense
    D.
    Very dense

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