單項(xiàng)選擇題

Which of following data is NOT painted on the bow of a lifeboat?（）.

A.Number of persons allowed
B.Name of the vessel
C.Weight of the boat
D.Home port

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單項(xiàng)選擇題

When whistle signals are used for launching lifeboats，one short blast means（）.

A.use the float-free method only
B.lower all boats
C.raise all boats
D.drill is over，secure all boats

單項(xiàng)選擇題

When should you use distress flares and rockets?（）

A.Only when there is a chance of their being seen by rescue vessels
B.At half-hour intervals
C.At one-hour intervals
D.Immediately upon abandoning the vessel

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Which of following data is NOT painted on the bow of a lifeboat?（）.

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When whistle signals are used for launching lifeboats，one short blast means（）.

When should you use distress flares and rockets?（）

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When whistle signals are used for launching lifeboats，one short blast means（）.