With the sprinkler system and air system on and all hatches shut, the survival craft will provide protection from a __________.

Correct Answer: Option B — fire and toxic environment

Totally enclosed motor-propelled survival craft (lifeboats) under SOLAS and 46 CFR incorporate an autonomous air support system and external water spray system. Operating both with all openings sealed maintains positive internal pressure and continuous shell cooling, providing critical protection against intense fire radiation and toxic external atmospheres.