單項(xiàng)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

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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

單項(xiàng)選擇題

You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.

A.one blast，4 to 6 seconds in duration
B.three blasts，4 to 6 seconds in duration
C.one continuous blast until you are able to see around the bend
D.one blast，8 to 10 seconds in duration