單項(xiàng)選擇題A sheepshank is used to（）.

A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line


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1.單項(xiàng)選擇題A preventer guy（）.

A.prevents anyone from working the cargo at unauthorized times
B.is a safety measure in case one of the outboard guys parts
C.is a longshoreman who watches for accidents
D.is the same as a blacksmith

3.單項(xiàng)選擇題A new coil of nylon line should be opened by（）.

A.pulling the end up through the eye of the coil
B.taking a strain on both ends
C.uncoiling from the outside with the coil standing on end
D.unreeling from a spool

4.單項(xiàng)選擇題A mooring buoy，if lighted，shows which color light?（）

A.Yellow
B.White
C.Blue
D.Any color except red or green

5.單項(xiàng)選擇題A monkey fist is found on a（）.

A.heaving line
B.leadline
C.manrope
D.mooring line