RCC Structures Design
A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm², the area of steel required, is

17 cm²
15 cm²
16 cm²
14 cm²

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RCC Structures Design
A pre-stressed concrete member is preferred because

All listed here
Its dimensions are not decided from the diagonal tensile stress
Removal of cracks in the members due to shrinkage
Large size of long beams carrying large shear force need not be adopted

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