RCC Structures Design
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is

Half of the width of the slab
Four-fifth of the width of the slab
Three-fourth of the width of the slab
Two-third of the width of the slab

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RCC Structures Design
According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is

Stress in steel × area of steel
None of these
Stress in concrete × area of concrete + Stress in steel × area of steel
Stress in concrete × area of concrete

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

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

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