Portable Fire Extinguishers
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Incipient stage
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| Which class of fires involves ordinary combustibles such as wood, paper, cloth and rubber? | show 🗑
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| Which class of fires involves flammable liquids such as gasoline, oil, grease, tar, and oil-based paints? | show 🗑
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| What is the standard shape used to identify a portable fire extinguisher used for flammable liquid fires? | show 🗑
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| Which of the following extinguishing agents is combined with alkali metal salt in a loaded-stream fire extinguisher to combat freezing of the agent? | show 🗑
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| Which of the following extinguishing agents is used for class B and C fires and is not subject to freezing? | show 🗑
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| show | Class B foam
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| Which of the following agents is formulated from finely ground sodium chloride and forms a solid crust over the material on fire? | show 🗑
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| show | PASS
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| Which type of fire extinguisher requires hydrostatic testing every 12 years? | show 🗑
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