#1
Which of the following fire classes involves ordinary combustibles such as wood, paper, and cloth?
Class A
ExplanationInvolves materials like wood, paper, and cloth.
#2
Which of the following fire classes involves fires in electrical equipment?
Class C
ExplanationSpecifically relates to electrical fires.
#3
Which fire class involves fires in combustible metals like sodium or potassium?
Class D
ExplanationClass D fires involve combustible metals.
#4
Which fire extinguisher is suitable for fires involving flammable liquids like gasoline, oil, or grease?
Dry chemical extinguisher
ExplanationEffective for extinguishing flammable liquids.
#5
Which fire extinguisher is typically not recommended for use on electrical fires?
Water extinguisher
ExplanationNot safe for electrical fires due to conductivity.
#6
What is the main component used in a foam fire extinguisher?
Foam concentrate
ExplanationFoam concentrate forms the extinguishing agent.
#7
Which type of fire extinguisher is suitable for fires involving combustible metals like magnesium or titanium?
Class D extinguisher
ExplanationDesigned specifically for combustible metal fires.