單項選擇題

You see a vessel carrying a black diamond which indicates a（）.

A.vessel towing astern
B.barge pushed ahead
C.vessel towing astern only when the length of her tow exceeds 200 meters
D.this signal does not exist in international waters

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單項選擇題

You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.

A.Reduce speed to bare steerageway
B.Stop your engines
C.Begin a radar plot
D.All of the above

單項選擇題

You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.

A.alter course to starboard to pass around the other vessel
B.reduce your speed to bare steerageway
C.slow your engines and let the other vessel pass ahead of you
D.alter course to port to pass the other vessel on its portside