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单选题
A natural fiber rope can be ruined by dampness because it may （）.
A
rot
B
shrink
C
stretch
D
unlay
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hemp ropeB
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natural fiber ropesD
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单选题Ropes can be divided into three types: （）.A
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synthetic rope, manila rope and wooden rope
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单选题In order to help protect a natural fiber rope from rotting，the line must be（）.A
dried，and stowed in a place with adequate ventilationB
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stowed in any compartment
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单选题Safety goggles or glasses are NOT normally worn when（）.A
using a rotary grinder with an installed shieldB
letting go the anchorC
handling wire rope or natural fiber lineD
painting with a spray gun
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单选题A natural fiber rope can be ruined by dampness because it may （）.A
rotB
shrinkC
stretchD
unlay
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单选题Nylon rope is often used in the makeup of a towline because it（）.A
floatsB
stretchesC
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anchor the boatB
pick up heavy loadsC
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单选题What is the accepted standard for wire rope falls used in connection with the lifeboat gear?（）A
Six by seven galvanized wire ropeB
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单选题What is a step in attaching a poured metal socket to a wire rope?（）A
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单选题What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core（）.A
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单选题A rope made of a combination of wire and fiber is known as（）.A
independentB
lang layC
preformedD
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考题
单选题A fiber rope can be ruined by dampness because it may（）.A
rotB
shrinkC
stretchD
unlay
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