Building Materials
For the manufacture of plywood, veneers are placed so that grains of adjacent veneers

Inclined at 60°
Parallel
Inclined at 45°
Run at right angles

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
The basic purpose of a retarder in concrete is

To decrease the initial setting time of cement paste in concrete
To improve the workability of concrete mix
To increase the initial setting time of cement paste in concrete
To render the concrete more water tight

ANSWER DOWNLOAD EXAMIANS APP