Building Construction
The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as

None of these
Strap footing
Combined footing
Raft footing

ANSWER DOWNLOAD EXAMIANS APP

Building Construction
Raft foundations are used for:

Providing increased area of foundation over poor bearing capacity of soil
Counter acting the hydrostatic effect
All listed here
Spanning over small soft or loose pockets

ANSWER DOWNLOAD EXAMIANS APP