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
14 cm²
16 cm²
15 cm²

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RCC Structures Design
Pick up the assumption for the design of a pre-stressed concrete member from the following:

During deformation limits, Hook's law is equally applicable to concrete as well as to steel
All listed here
Variation of stress in reinforcement due to changes in external loading is negligible
A transverse plane section remains a plane after bending

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