单选题The disadvantage of using three strand nylon line for towing is its（）.Ainherent weaknessBtendency to rot if left dampCdanger to crew if it partsDstrength and shock absorbing abilities
单选题
The disadvantage of using three strand nylon line for towing is its（）.
A
inherent weakness
B
tendency to rot if left damp
C
danger to crew if it parts
D
strength and shock absorbing abilities
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When paying out nylon line from around the bitts ______．A.stand clear of the bitts and use two or more round turns under your figure eightsB.you can surge the line even with a single turnC.no extra turns are necessary since nylon has a high coefficient of frictionD.stand in the bight of the line
It is not advisable to use nylon for alongside towing because it ______.A.is too expensive for everyday towing usageB.binds on the cleatsC.parts too readilyD.stretches too much
单选题The knot at the end of the heaving line used to pass the towing hawser is called a（）.Amonkey's fistBball or baseball knotCheaving knotDthree strand Turk's head
单选题The disadvantage of using a heaving line to pass a towline is that（）.Ait increases the likelihood of collision between the towing vessel and the disabled vesselBrecreational boaters tend to make the heaving line fast to the towed vessel as if it were the towlineCthe monkey fist may injure someoneDit may reduce the catenary and increase yawing
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单选题A vessel towing a barge astern would show，at the stern（）.Aonly a stern lightBa towing light above the stern lightCtwo towing lights in a vertical lineDtwo white lights in a vertical line
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单选题Nylon line can be dangerous because it（）.Abreaks down when wetBkinks be dischargedCis not elasticDstretches
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