单项选择题
The rotating unit of a spilt windlass consists of a（） with shaped snugs to grip the anchor cablea mooring drum for paying out or letting go of mooring wires and warp end for warping duties.
A.cranes
B.mooring barrel
C.capstans
D.cable lifter
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相关考题
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单项选择题
Worm geared automatic mooring winches are （） as the multi-start feature reduces the advantage of worm gear iethe high gear radio.
A.popular
B.common
C.in lead position
D.uncommon -
单项选择题
The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）
A.spur geared
B.screw geared
C.worm geared
D.belt driven -
单项选择题
In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.
A.cranes
B.windlass
C.capstans
D.mooring winches
