Question 843 Deck Safety

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In addition to weighing the cartridge, which other maintenance is required for a cartridge-operated dry chemical extinguisher?

A Weigh the powder in the canister.
B Check the hose and nozzle for clogs.
C Discharge a small amount to see that it works.
D Check the external pressure gage.
AI Explanation

The correct answer is B) Check the hose and nozzle for clogs. In addition to weighing the cartridge, it is also important to check the hose and nozzle of a cartridge-operated dry chemical extinguisher to ensure they are not clogged. This is a key maintenance requirement to ensure the extinguisher will function properly when needed. The other answer choices are incorrect because: A) Weighing the powder is not a required maintenance item for this type of extinguisher. C) Discharging a small amount is not necessary as part of routine maintenance. D) Checking the external pressure gage is not a requirement for this type of extinguisher.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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