PSCRB Exit Exam • Set 3 Question 3 of 30
Which gas is mostly used in filling the cylinder of inflatable life raft
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Direct Answer
Option A: CO2
Carbon dioxide (CO2) is the preferred gas for inflating life rafts because it is non-toxic, non-flammable, and can be stored in a compressed state. Upon activation, the gas expands rapidly to fill the buoyancy chambers.
All Options
A
CO2
(Correct Answer)
B
Carbon mono oxide
C
Oxygen
D
Nitrogen
Detailed Explanation & Context
Carbon dioxide (CO2) is the preferred gas for inflating life rafts because it is non-toxic, non-flammable, and can be stored in a compressed state. Upon activation, the gas expands rapidly to fill the buoyancy chambers.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Proficiency in Survival Craft and Rescue Boats (PSCRB).
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