RCC Structures Design
In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as

A cut-off wall
A key
All listed here
A rib

ANSWER DOWNLOAD EXAMIANS APP

RCC Structures Design
Steel beam theory is used for

Doubly reinforced beams ignoring compressive stress in concrete
Design of simple steel beams
Steel beams encased in concrete
Beams if shear exceeds 4 times allowable shear stress

ANSWER DOWNLOAD EXAMIANS APP