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Fire Extinguisher Chapter 7 Questionsand Answers Rated A+
What are the two primary purposes of fire extinguishers ✔✔To extinguish incipient stage fires To control fires using nontraditional agents Class A ✔✔involve paper, cloth, and rubber; represented as burning trash can beside a wood fire
Class B ✔✔involve gasoline, oil, and grease; represented as flame and a gasoline can Class Celectrical plug and socket ✔✔involve fuse boxes, circuit breakers, and transformers; represented as flame and
Class D ✔✔involve magnesium, titanium, and zirconium; represented as flame and a metal gear Class K ✔✔involve deep-fat fryers; represented as fire in a frying pan
Fire extinguishers are rated based on which of their abilities?of fire, and their ability to prevent rekindling ✔✔ability to control a specific type
Order to recharge a fire extinguisher ✔✔1) Refill the extinguishing agent
- Pressurize the system that expels the agent3) Verify agent quantity and pressurization
- Install a tamper seal When you check the label of a fire extinguisher and see a letter written on a on a solid bluecircle—which class of fire it is rated for ✔✔Class C
Which fire extinguisher would you use to put out an incipient stage Class A firepressure water-type estinguisher ✔✔Stored-
Which water-type fire extinguisher can be used on Class C firesextinguishers ✔✔Water mist fire
According to the PASS acronym, what is the first step of operating a fire extinguisherthe safety pin ✔✔Pull
At what stage of fire growth are portable fire extinguishers primarily designed to function ✔✔Incipient
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-basedpaints ✔✔Class B
What is the standard shape used to identify a portable fire extinguisher used for flammable liquidfires ✔✔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 tofreezing ✔✔Dry chemical
What class of foam concentrate extinguisher discharges a foam solution that floats across thesurface of a burning liquid ✔✔Class B foam
Which of the following agents is formulated from finely ground sodium chloride and forms asolid crust over the material on fire ✔✔Dry powder
What is the acronym for activating the fire extinguisher in order to apply the extinguishing agentin four simple steps ✔✔PASS (Pull, Aim, Squeeze, and Sweep)
Which type of fire extinguisher requires hydrostatic testing every 12 yearsagent ✔✔Halogenated
