BUILDING MATERIALS - Practice Mode

1) What is the value of specitic gravity of good building stones ?
Correct Answer: 2.4 to 2.8
2) Which is the hard and durable building stone suitable for bridge abutments?
Correct Answer: Granite
Explanation:

Mechanical Hazards under occupational health hazards are
* Unguarded machinery
* No fencing
* No safety device
* No control device etc.,

3) Which process is used for the kneading of clay for attaining plasticity ?
Correct Answer: Tempering
Explanation:

Apply direct pressure on the cut or wound with a clean cloth, tissue, or piece of gauze until bleeding stops.

4) Which is used for the burning of raw materials of cements?
Correct Answer: Rotary kily
Explanation:

The ABCs of first aid consist of three different components.
A = Airway
B = Breathing
C = Circulation/Compression

5) Which product is obtained by the grinding of bricks?
Correct Answer: Surkhi