默认题库 - 安全用语

A. Put one line at the low point and one at the high point of the bollard so they don't touch
B. Take the eye of the second line up through the eye of the first line before putting the second line on the bollard
C. Never put two mooring lines on the same bollard
D. The mooring line forward should be put on the bollard first

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单选题

Which statement is TRUE concerning radiotelephones on board towing vessels?（）

A. There cannot be a radiotelephone located anywhere except in the wheelhouse
B. The officer in charge of the wheelhouse is considered to have the radiotelephone watch
C. Only distress messages may be transmitted over channel 13
D. Only the Master of the vessel is allowed to speak over the radiotelephone

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单选题

Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.

A. Nylon can stretch over forty percent without being in danger of parting
B. Nylon can be elongated by one-hundred percent before it will part
C. Nylon will part if it is stretched any more than twenty percent
D. Under load，nylon will stretch and thin out but will return to normal size when free of tensio

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单选题

Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）

A. Crossing the spring lines
B. Slacking all forward running lines while keeping all after running lines taut
C. Doubling up on spring or breast lines
D. Slacking bow and stern line

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单选题

（）of the following messages is allowed to be transmitted on the radiotelephone without the authority of the Master.

A. Urgency signal
B. Safety signal
C. Distress signal
D. None of the above

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单选题

I would be very much（）if you could arrange for a radio technician to come on board as soon as possible for my radar repair.

A. obliged
B. obliging
C. oblige
D. being obliged

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