Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — replacing the propellant cartridge and refilling with powder
Cartridge-operated extinguishers require recharging by replacing the spent gas propellant cartridge and refilling the chamber with the correct weight and type of approved dry chemical powder specified on the USCG-approved nameplate.
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