IFSTA 7 Essentials Chapter 6 Test Questions and Answers
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Course
IFSTA 7
Institution
IFSTA 7
IFSTA 7 Essentials Chapter 6 Test
Questions and Answers
Class A portable fire extinguishers are rated from 1-A through 40-A based upon the amount of water
and: - ANSWER-duration and range of discharge used in extinguishing test fires.
A portable fire extinguisher must be labeled with the: - ANS...
Class A portable fire extinguishers are rated from 1-A through 40-A based upon the amount of water
and: - ANSWER✔✔-duration and range of discharge used in extinguishing test fires.
A portable fire extinguisher must be labeled with the: - ANSWER✔✔-letters and/or symbols that
designate its class rating.
Class K rated extinguishers work because of _____, which converts fatty acids into a soapy film. -
ANSWER✔✔-saponification
When operating a portable fire extinguisher, it is safest to approach the fire: - ANSWER✔✔-with the
wind at your back.
When an extinguishing agent is determined to be safe and effective for use on combustible metals, it
will: - ANSWER✔✔-include application instructions on the faceplate.
What is a characteristic of carbon dioxide (CO2) extinguishers? - ANSWER✔✔-CO2 gas displaces oxygen
to smother the fire
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