Question

___ fire extinguishers are used for combustible metals such as zinc and magnesium.

A) Class A
B) Class B
C) Class C
D) Class D

Answer 1

Class D fire extinguishers are used for combustible metals such as zinc and magnesium. They contain specific agents that smother the fire and cool down the metal.

Step-by-step explanation:

Class D fire extinguishers are used for combustible metals such as zinc and magnesium. Unlike other classes of fire extinguishers Class D extinguishers contain specific agents such as sodium chloride or graphite that work by smothering the fire and cooling down the metal.

The correct answer to the question is Class D.