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Civil Engineering :: UPSC Civil Service Exam Questions

  1. The Chezy's coefficient C is related to Darcy-Weisbach friction factor f as

  2. A.
    C = (g/8f)
    B.
    C = (6g/f)
    C.
    C = (8g/f)
    D.
    C = (f/8g)

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  3. What is the maximum permissible longitudinal pitch in staggered riveted compression joints ?

  4. A.
    500 mm
    B.
    400 mm
    C.
    300 mm
    D.
    100 mm

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  5. For determining the forces in the members of a truss by graphic statics, the method of substitution will be required in the case of

  6. A.
    Fink truss
    B.
    Howe truss
    C.
    King post truss
    D.
    Warren truss

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  7. A Rankine (oval) half-body PP is subjected to a two-dimen-sional flow (x, y coordinate directions from origin O) with uniform velocity V, resulting in typical streamlines as shown in the figure by dotted lines. The point A on the body surface is

  8. A.
    separation point
    B.
    stall point
    C.
    stagnation point
    D.
    point of maximum velocity

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  9. A projectile is fired horizontally with a velocity of 6 m/s from a point of height h m above and 12 m away from an object. What is the value of h required so that projectile hits the object ?

  10. A.
    4.9 m
    B.
    9.8 m
    C.
    6 m
    D.
    19.6 m

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  11. For a simple circular curve which one of the following gives the correct relation between the radius R and degree of curve D, for 20 m arc length ?

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  13. A car negotiates a curve on a slippery road at a constant speed of 10 m/s. If the coefficient of friction is 0.5, what is the minimum radius of the arc in which the car can turn ?

  14. A.
    20 m
    B.
    10 m
    C.
    5 m
    D.
    4 m

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  15. Grid lines on a mapsheet can be plotted mechanically by means of a

  16. A.
    rotometer
    B.
    pantograph
    C.
    coordinatograph
    D.
    stereometer

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  17. A municipal sewage has BOD5 of 200 mg/l. It is proposed to treat it and dispose off into a marine environment. For what minimum efficiency should the sewage treatment plant be designed ?

  18. A.
    85%
    B.
    60%
    C.
    50%
    D.
    33.67%

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  19. As the state of strain of an element of dense sand changes from plain strain to trivial condition, the effective angle of internal friction :

  20. A.
    increases
    B.
    decreases
    C.
    remains constant
    D.
    first increases and then remains constant

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