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Civil Engineering :: RCC Structures Design

  1. With usual notations the depth of the neutral axis of a balanced section, is given by

  2. A.

     mc/t = (d - n)/n

    B.

     t/mc = (d - n)/n

    C.

     t/mc = (d + n)/n

    D.

     mc/t = n/(d - n)


  3. If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a

  4. A.

     Simply supported beam

    B.

     Continuous beam

    C.

     Cantilever beam

    D.

     None of these


  5. A very comfortable type of stairs is

  6. A.

     Straight

    B.

     Dog legged

    C.

     Geometrical

    D.

     Open newel


  7. If diameter of a reinforcement bar is d, the anchorage value of the hook is

  8. A.

     4d

    B.

     8d

    C.

     12d

    D.

     16d


  9. If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment

  10. A.

     WL/2

    B.

     WL/4

    C.

     WL/6

    D.

     WL/8


  11. A foundation rests on

  12. A.

     Base of the foundation

    B.

     Sub-grade

    C.

     Foundation soil

    D.

     Both B and C


  13. The effective span of a simply supported slab, is

  14. A.

     Distance between the centers of the bearings

    B.

     Clear distance between the inner faces of the walls plus twice the thickness of the wall

    C.

     Clear span plus effective depth of the slab

    D.

     None of these


  15. In a combined footing if shear stress exceeds 5 kg/cm², the nominal stirrups provided are:

  16. A.

     6 legged

    B.

     8 legged

    C.

     10 legged

    D.

     12 legged


  17. Piles are usually driven by

  18. A.

     Diesel operated hammer

    B.

     Drop hammer

    C.

     Single acting steam hammer

    D.

     All the above


  19. For stairs spanning horizontally, the minimum waist provided is

  20. A.

     4 cm

    B.

     6 cm

    C.

     8 cm

    D.

     12 cm