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Civil Engineering :: RCC Structures Design

  1. The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

  2. A.

     With the horizontal

    B.

     With the vertical

    C.

     With the perpendicular to the inclined plane of the soil

    D.

     None of these


  3. For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is

  4. A.

     0.6

    B.

     0.7

    C.

     0.8

    D.

     0.9


  5. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

  6. A.

     10

    B.

     15

    C.

     20

    D.

     25


  7. A circular slab subjected to external loading, deflects to form a

  8. A.

     Semi-hemisphere

    B.

     Ellipsoid

    C.

     Paraboloid

    D.

     None of these


  9. If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm², the share stirrups are provided for a distance ‘x’ from either end where, ‘x’ is

  10. A.

     50 cm

    B.

     100 cm

    C.

     150 cm

    D.

     200 cm


  11. The weight of reinforced concrete, is generally taken as

  12. A.

     2200 kg/m³

    B.

     2300 kg/m³

    C.

     2400 kg/m³

    D.

     2500 kg/m³


  13. A pre-cast pile generally used, is

  14. A.

     Circular

    B.

     Square

    C.

     Octagonal

    D.

     Square with corners chamfered


  15. If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by

  16. A.

     ft .d/4fb

    B.

     (π/4). (ft .d/fb)

    C.

     π ft .d²/fb

    D.

     (π/4). (ft .d3/fb)


  17. As per IS : 1343, total shrinkage for a pre-tensioned beam, is

  18. A.

     3.0 × 10⁻²

    B.

     3.0 × 10⁻³

    C.

     3.0 × 10⁻⁵

    D.

     3.5 × 10⁻⁵


  19. The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

  20. A.

     Balanced section

    B.

     Economic section

    C.

     Critical section

    D.

     All the above