Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — replacing the propellant cartridge and refilling it with powder
Under MARPOL, SOLAS, and USCG Marine Engineering Safety regulations, regarding 'Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by', the mandated standard is: 'replacing the propellant cartridge and refilling it with powder'.
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