Question

_______________________ fires are caused by ordinary combustible materials (wood, paper, and cloth), for which the quenching-cooling effect of quantities of water is present

a) Class A
b) Class B
c) Class C
d) Class D

Answer 1

Class A fires are caused by ordinary combustible materials and can be extinguished by water.

Step-by-step explanation:

The correct answer is Class A.

Class A fires are caused by ordinary combustible materials such as wood, paper, and cloth. These fires can be extinguished effectively by the quenching-cooling effect of water.

On the other hand, Class B fires are caused by flammable liquids such as gasoline and oil. Class C fires involve electrical equipment, and Class D fires involve combustible metals.