Which of the following types of fire extinguishers are needed for combustible liquids’ fire such as
gasoline and kerosene?

A.
Class C

B.
Class B

C.
Class D

D.
Class A

Explanation:

Class B extinguishers are needed for flammable or combustible liquids’ fire such as gasoline,
kerosene, grease, and oil. The numerical rating for a class B extinguisher indicates the approximate
area, in square feet, in which it can extinguish fire. Carbon Dioxide extinguishers are used for class B
and C fires.
Answer option D is incorrect. Class A extinguishers are needed for ordinary flammable materials’ fire
such as paper, wood, cardboard, and most plastics.
Answer option A is incorrect. Class C fire extinguishers are needed for electrical fires. The electrical
fire involves electrical equipments, such as appliances, wiring, and circuit breakers. Water should not
be used as an extinguisher for this type of fire. Carbon Dioxide is a good choice as an extinguisher for
an electrical fire on a computer or other electronic device such as television.
Answer option C is incorrect. Class D extinguishers are needed for combustible metals’ fire such as
magnesium, titanium, potassium, and sodium.