New Jersey Firefighter Entry Practice Exam 2025 – Full Prep Resource

Question: 1 / 400

Which of the following extinguishers is an alternative option for certain fire types?

Sodium Bicarbonate Extinguisher

Potassium Phosphate Extinguisher

The potassium phosphate extinguisher is recognized as a viable alternative for certain types of fires, particularly those involving combustible metals and various classes of fires including Class A, B, and C. It is often effectively used in situations that involve fires fueled by flammable liquids and gases, which makes it adaptable to a range of incidents. As a dry chemical extinguisher, potassium phosphate not only suppresses flames but also helps to prevent re-ignition by forming a protective layer over the burning material.

The effectiveness of this extinguisher lies in its ability to disrupt the chemical reactions fueling the fire. This characteristic is what enables it to serve as an alternative option for multiple fire types, highlighting its versatility and reliability in emergency firefighting responses.

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Potassium Acetate Extinguisher

Lithium Alloy Extinguisher

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