Question 755 Deck Safety

70% to pass

While you are working in a space, the fixed CO2 system is accidentally activated. You should _______________.

A secure the applicators to preserve the charge in the cylinders
B continue with your work as there is nothing you can do to stop the flow of CO2
C retreat to fresh air and ventilate the compartment before returning
D make sure all doors and vents are secured
AI Explanation

The correct answer is C) retreat to fresh air and ventilate the compartment before returning. The reason this is the correct answer is that when a fixed CO2 system is accidentally activated, the immediate priority is to evacuate the space and ensure personal safety. Exposure to high concentrations of CO2 can be life-threatening, so personnel must quickly leave the affected area and ventilate the space before re-entering. The other options are incorrect because: A) securing the applicators would not stop the flow of CO2, and B) continuing work in the affected space would be extremely dangerous. D) securing doors and vents may help contain the CO2, but does not address the immediate need to evacuate and ventilate the space.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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