1.
Fire is a chemical reaction involving ?
2.
The minimum temperature at which a substance ignites is called ?
3.
Which class of fire involves flammable liquids ?
4.
Electrical fires belong to which class ?
5.
Which fire extinguisher is best for electrical fires ?
6.
The fire triangle consists of ?
7.
Which gas is mainly responsible for suffocation during a fire ?
8.
Spontaneous combustion occurs due to ?
9.
Which extinguisher is used for metal fires ?
10.
Flash point is defined as ?
11.
Which type of fire detection device senses smoke ?
12.
Fire load is defined as ?
13.
Which fire extinguisher works by cooling effect ?
14.
Fire point is always ?
15.
Which safety sign colour indicates fire equipment ?
16.
Which method of fire control removes oxygen ?
17.
Which of the following is NOT a cause of fire ?
18.
The main objective of fire safety is to ?
19.
Which building component resists the spread of fire ?
20.
The best way to prevent fire is ?
21.
The main purpose of earthing is to ?
22.
Which device protects against electric shock due to leakage current ?
23.
Which colour wire is used for earthing ?
24.
The safe voltage limit for human body in dry conditions is approximately ?
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