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Civil Engineering :: UPSC Civil Service Exam Questions

  1. A pin-jointed truss is loaded as shown in the given figure. The force in member CE is

  2. A.
    10 tonnes tensile
    B.
    10 tonnes compressive
    C.
    5 tonnes tensile
    D.
    5 tonnes compressive

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  3. What type of noise can be abated by providing lining on walls and ceiling with sound absorbing material?

  4. A.
    Source noise
    B.
    Reflection noise
    C.
    Structural noise
    D.
    Direct air-borne noise

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  5. Which of the following treatment(s) will be indicated for a rural water supply from a deep groundwater source ?
    1. Sedimentation.
    2. Alum dosage.
    3. Potassium permanganate dosing.
    4. Bleaching powder application.
    Select the correct answer using the codes given below :

  6. A.
    1, 2 and 3
    B.
    1, 2 and 4
    C.
    3 and 4
    D.
    4 alone

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  7. Maximum gross take-off weight of an aircraft is

  8. A.
    equal to the maximum structural landing weight
    B.
    less than the maximum structural landing weight
    C.
    more than the maximum structural land weight
    D.
    equal to the empty operating weight plus the payload

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  9. For a circular column having its ends hinged, the slenderness ratio is 160. The l/d ratio of the column is

  10. A.
    80
    B.
    57
    C.
    40
    D.
    20

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  11. A simply supported beam of span 'l' is loaded (as shown in the given figure) with a uniformly varying load of intensity w1/unit length at 'A' to w2/unit length at 'B'. A The shear force at the support 'B' is given by

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  13. In the PERT analysis, which one of the following is followed by the time estimate of activities and probability of either occurrance ?

  14. A.
    Normal distribution
    B.
    Poisson's distribution
    C.
    β - distribution
    D.
    Binomial distribution.

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  15. The cable for a prestressed concrete simply supported beam subjected to uniformly distributed load over the entire span should ideally be :

  16. A.
    placed at the centre of cross-section over the entire span
    B.
    placed at some eccentricity over the entire span
    C.
    varying linearly from the centre of cross-section at the ends to maximum eccentricity at the middle section
    D.
    parabolic with zero eccentricity at the ends and maximum eccentricity at the center of the span

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  17. The effort 'P' to be applied horizontally to pull a weight 'W' on a plane inclined at an angle α with the horizontal is given by (tan θ is the coefficient of friction)

  18. A.
    P = W tan (α + θ)
    B.
    P = W tan (α - θ)
    C.
    D.

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  19. If two triangulation signals of 6.75 m height each, are to be just visible over ground mutually, what is the maximum distance between their locations on the ground surface ?

  20. A.
    10 km
    B.
    20 km
    C.
    30 km
    D.
    40 km

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