An inert gas system installed on a tanker is designed to __________.

Correct Answer: Option C — lower the oxygen levels inside cargo tanks, making explosion nearly impossible

Under USCG Deck Safety, SOLAS Chapter III, and 46 CFR regulations, when addressing 'An inert gas system installed on a tanker is designed to', the mandated standard is: 'lower the oxygen levels inside cargo tanks, making explosion nearly impossible'.