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單項選擇題

Automatic mechanical ventilation shutdown is required for CO₂ systems protecting the（）.

A.machinery spaces
B.cargo compartments
C.living quarters
D.galley

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單項選擇題

An inflatable liferaft should be lifted back aboard the ship by using（）.

A.the single hook at the top of the raft
B.two lines passed under the raft
C.the towing bridle
D.All of the above

單項選擇題

After using a CO₂ extinguisher on a ship，it should be（）.

A.put back in service if some CO₂ remains
B.hydrostatically tested
C.retagged
D.recharged