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Portable fire extinguishers weighing 40 lbs. or less are suitable for:

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

Answer :

Final answer:

Portable fire extinguishers weighing 40 lbs. or less are suitable for Class A, Class B, or Class C fires, depending on their specifications and not typically for Class D fires.Therefore the correct Statement is d.

Explanation:

Fire extinguishers are classified based on the type of fires they are designed to extinguish. The classes of fires include: Class A fires involve ordinary combustibles, such as wood, paper, and cloth.

Class B fires involve flammable liquids, such as gasoline, oil, and grease. Class C fires involve electrical equipment. Class D fires involve combustible metals, such as magnesium, titanium, and sodium.

Portable fire extinguishers weighing 40 lbs. or less can be suitable for Class A, B, or C fires depending on their labelling and the material used inside the extinguisher. It is important to use the correct type of extinguisher for the class of fire to ensure safety and effectiveness. Class D fires require specific extinguishing agents that are not typically found in the standard portable extinguishers.

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