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RCC Structures Design - Section-5
  1. The load stress of a section can be reduced by

    2. A.

     Decreasing the lever arm
    B.

     Increasing the total perimeter of bars
    C.

     Replacing larger bars by greater number of small bars
    D.

     Replacing smaller bars by greater number of greater bars

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  2. The horizontal portion of a step in a stairs case, is known as

    3. A.

     Rise
    B.

     Flight
    C.

     Winder
    D.

     Tread

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  3. An under-reinforced section means

    4. A.

     Steel is provided at the underside only
    B.

     Steel provided is insufficient
    C.

     Steel provided on one face only
    D.

     Steel will yield first

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  4. The live load to be considered for an accessible roof, is

    5. A.

     Nil
    B.

     75 kg/m³
    C.

     150 kg/m²
    D.

     200 kg/cm²

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  5. The live load to be considered for an inaccessible roof, is

    6. A.

     Nil
    B.

     75 kg/m²
    C.

     150 kg/cm²
    D.

     200 kg/m²

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  6. The Young's modulus of elasticity of steel, is

    7. A.

     150 KN/mm²
    B.

     200 KN/mm²
    C.

     250 KN/mm²
    D.

     275 KN/mm²

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  7. If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

    8. A.

     D = W (a - b)/4a²bq
    B.

     D = W (a² - b²)/4a²bq
    C.

     D = W (a² - b²)/8a²bq
    D.

     D = W (a² - b²)/4abq

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  8. In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

    9. A.

     100 kg/cm²
    B.

     200 kg/cm²
    C.

     300 kg/cm²
    D.

     400 kg/cm²

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  9. The maximum shear stress (qmax) in a rectangular beam is

    10. A.

     1.25 times the average
    B.

     1.50 times the average
    C.

     1.75 times the average
    D.

     2.0 times the average

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  10. A pre-stressed concrete member

    11. A.

     Is made of concrete
    B.

     Is made of reinforced concrete
    C.

     Is stressed after casting
    D.

     Possesses internal stresses

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