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Civil Engineering :: RCC Structures Design

  1. A pile of length ‘L’ carrying a uniformly distributed load ‘W’ per metre length is suspended at two points, the maximum, B.M. at the centre of the pile or at the points of suspension, is

  2. A.

     WL/8

    B.

     WL²/24

    C.

     WL²/47

    D.

     WL²/16

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  3. If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

  4. A.

     K/x (1 + x/d) + bw

    B.

     Kx (1 - x/l) + bw

    C.

     Kx (1 + x/l) + bw

    D.

     All the above

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  5. As per I.S. 456 - 1978, the pH value of water shall be

  6. A.

     Less than 6

    B.

     Equal to 6

    C.

     Not less than 6

    D.

     Equal to 7

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  7. To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is

  8. A.

     0.107 L

    B.

     0.207 L

    C.

     0.307 L

    D.

     0.407 L

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  9. Pick up the correct statement from the following:

  10. A.

     A pile is a slender member which transfers the load through its lower end on a strong strata

    B.

     A pile is a slender member which transfers its load to the surrounding soil

    C.

     A pile is a slender member which transfers its load by friction

    D.

     A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width

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  11. Pick up the assumption for the design of a pre-stressed concrete member from the following:

  12. A.

     A transverse plane section remains a plane after bending

    B.

     During deformation limits, Hook's law is equally applicable to concrete as well as to steel

    C.

     Variation of stress in reinforcement due to changes in external loading is negligible

    D.

     All the above

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  13. Pick up the incorrect statement from the following:

  14. A.

     In the stem of a retaining wall, reinforcement is provided near the earth side

    B.

     In the toe slab of a retaining wall, reinforcement is provided at the bottom of the slab

    C.

     In the heel slab of a retaining wall, reinforcement is provided at the top of the slab

    D.

     None of these

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  15. Pick up the correct statement from the following:

  16. A.

     Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling

    B.

     Lateral reinforcement prevents the shearing of concrete on diagonal plane

    C.

     Lateral reinforcement stops breaking away of concrete cover, due to buckling

    D.

     All the above

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  17. Pick up the true statement from the following:

  18. A.

     Plain ceiling provides the best property diffusing light

    B.

     In the absence of beams, it is easier to install piping

    C.

     In the absence of beams, it is easier to paint

    D.

     All the above

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  19. If ‘p’ is the net upward pressure on a square footing of side ‘b’ for a square column of side ‘a’, the maximum bending moment is given by

  20. A.

     B.M = pb (c - a)/4

    B.

     B.M = pb (b - a)²/4

    C.

     B.M = pb (b - a)²/8

    D.

     B.M = pb (b + a)/8

    E.

     B.M = pb (b + a)/8

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