單項選擇題

A vessel servicing a pipeline during the day shall display（）.

A.three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamond
B.three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamond
C.three black balls in a vertical line
D.two black balls in a vertical line

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單項選擇題

A vessel sailing shall keep out of the way of all of the following vessels except a vessel （）.

A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing

單項選擇題

A vessel or object being towed astern shall display a(n)（）.

A.forward masthead light
B.after masthead light
C.stern light
D.All of the above

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A vessel servicing a pipeline during the day shall display（）.

你可能感興趣的試題

A vessel sailing shall keep out of the way of all of the following vessels except a vessel （）.

A vessel or object being towed astern shall display a(n)（）.

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