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單項(xiàng)選擇題

In the first 24 hours after abandoning a vessel, water should be given only to personnel who are（）.

A.thirsty
B.sick or injured
C.wet
D.awake

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單項(xiàng)選擇題

Diesel fuel is relatively safe to handle due to its low volatility, but the fumes will self-ignite and continue to burn steadily if the fuel is heated to the （）.

A.flash point
B.auto-ignition point
C.volatility point
D.upper explosive limit

單項(xiàng)選擇題

If the buoyant force on a ships hull is equal to or greater than the displacement tonnage, the ship will （）.

A.require ballast added to only the port side tanks
B.be down by the head
C.sink
D.float

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