默认题库 - 航海出版物

A. can use radar information from one object to fix the position
B. should never use radar bearings
C. should only use radar bearings when the range exceeds the distance to the horizon
D. must use information from targets forward of the beam

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单选题

A petroleum liquid has a flash point of 85°F. This is a grade （）.

A. B flammable liquid
B. C flammable liquid
C. D combustible liquid
D. E combustible liquid

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单选题

A pilot vessel may continue to sound an identity signal if she is （）.

A. aground
B. at anchor
C. not under command
D. being towed

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单选题

A predictable result of a vessel nearing a bank or edge of a channel is that the（）.

A. stern is drawn to the bank as the bow sheers off
B. bow sheers toward the bank
C. vessel continues in a straight line，but with greatly reduced maneuverability
D. vessel will be drawn bodily into the bank unless the engines are stopped

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单选题

A rigid replica of the International Code flag “A” may be shown by a vessel （）.

A. pulling a submarine cable
B. engaged in diving operations
C. engaged in underway replenishment
D. transferring explosive

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