The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO2 required to protect that space is not more than __________.

Correct Answer: Option A — 300 pounds

Under 46 CFR, CO2 cylinder banks for fixed systems may be located within the protected space only if the total agent required does not exceed 300 pounds, minimizing risks of entrapment and un-operable controls during a fire.