RCC Structures Design
If the bearing capacity of soil is 10 tonnes/cm² and the projection of plain concrete footing from walls, is a cm, the depth D of footing is

D = 0.775 a²
D = 0.775 a
D = 0.0775 a
D = 0.775 √a

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP