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At what stage of fire growth are portable fire extinguishers primary designed to function?
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Which class of fires involves ordinary combustibles such as wood, paper, cloth and rubber?
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FireFighter Ch. 7

Portable Fire Extinguishers

QuestionAnswer
At what stage of fire growth are portable fire extinguishers primary designed to function? Incipient stage
Which class of fires involves ordinary combustibles such as wood, paper, cloth and rubber? Class A
Which class of fires involves flammable liquids such as gasoline, oil, grease, tar, and oil-based paints? Class B
What is the standard shape used to identify a portable fire extinguisher used for flammable liquid fires? Red square
Which of the following extinguishing agents is combined with alkali metal salt in a loaded-stream fire extinguisher to combat freezing of the agent? Water
Which of the following extinguishing agents is used for class B and C fires and is not subject to freezing? Dry chemical
What class of foam concentrate extinguisher discharges a foam solution that floats across the surface of a burning liquid? Class B foam
Which of the following agents is formulated from finely ground sodium chloride and forms a solid crust over the material on fire? Dry powder
What is the acronym for activating the fire extinguisher in order to apply the extinguishing agent in four simple steps? PASS
Which type of fire extinguisher requires hydrostatic testing every 12 years? Halogenated agent
Created by: 806997560186305
 

 



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