单项选择题
A chain stripper is used to（）.
A.prevent chain from clinging to the wildcat
B.clean the marine debris from the chain
C.flake chain from a boat's chain locker
D.clean chain prior to an x-ray inspection
相关考题
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单项选择题
A check line is（）.
A.a safety line attached to a man working over the side
B.used to measure water depth
C.used to slow the headway of a barge
D.used to measure the overhead height of a bridge -
单项选择题
A chock（）.
A.is a deck fitting used to shackle gear to the deck
B.permits easy jettisioning of deck cargo in an emergency
C.prevents stress concentration in the bulwark
D.provides opening through the bulwark for mooring lines -
单项选择题
A chock is a（）.
A.deck fitting used to secured mooring lines
B.casting fitting at the side of a weatherdeck, used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove
