PST Exit Exam • Set 2 Question 18 of 30

What action should be taken if the CO2 system inflates only one main buoyancy tube of a life raft?

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Direct Answer

Option A: Board raft carefully, locate non-return transfer valves or use hand pump to inflate second chamber

If only one buoyancy chamber inflates during deployment, survivors must carefully board the raft and utilize manual hand pumps or internal non-return transfer valves to inflate the secondary tube, ensuring structural integrity against wave action.

All Options

Board raft carefully, locate non-return transfer valves or use hand pump to inflate second chamber (Correct Answer)

Abandon raft and swim away

Puncture inflated tube with knife

Open bottom drain plug

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Survival Techniques (PST).

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More Questions in PST Set 2

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Q1 What is the primary function of the painter line on an inflatable life raft before launching? Q2 What is the required length of a life raft painter line for a raft stowed at a height of 10 meters above the waterline? Q3 What safety feature prevents an inflatable life raft from over-inflating and bursting when CO2 gas discharges rapidly? Q4 What device inside a life raft container automatically activates the canopy light when the raft inflates? Q5 How many hand flares are required in a SOLAS Pack A life raft equipment pack? Q6 What type of first aid kit items are specially provided in a SOLAS life raft survival equipment pack? Q7 What is the purpose of the retro-reflective tape patches applied to life rafts, lifejackets, and immersion suits? Q8 What is the function of the rain-water catchment system on a life raft canopy? Q9 What action should survivors take when a rescue helicopter approaches a life raft for winch retrieval? Q10 What is the correct method for securing a rescue strap (strop) lowered from a search and rescue helicopter?