Building Construction
Raft foundations are used for:

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

ANSWER DOWNLOAD EXAMIANS APP

Building Construction
For constructing a terrazzo floor, Pick up the incorrect statement from the following:

A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material
A base course is prepared as in cement concrete flooring
Glass strips are driven into the layer according to the pattern required

ANSWER DOWNLOAD EXAMIANS APP