A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
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A.rot
B.shrink
C.stretch
D.unlay
A.deck fitting used to secure mooring lines
B.casting fitted at the side of a weather deck，used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove
A.strengthen the line
B.increase its efficiency
C.prevent hand injury by covering loose ends
D.make the line more flexible
A.is a deck fitting used to shackle gear to the deck
B.permits easy jettisoning of deck cargo in an emergency
C.prevents stress concentration in the bulwark
D.provides openings through the bulwark for mooring lines
A.must be wet before it will release
B.should be kept in a watertight cover except in an emergency
C.will inflate the raft in its cradle if operated manually
D.must be submerged to a certain depth to release automatically
最新試題
In order to retrieve an inflatable life raft and place it on deck，you should heave on the（）.
A sweep oar is an oar that is（）.
If you were to pass a stopper on a wire rope，what should the stopper be made of?（）
The davit aboard a ship is used to（）.
A stopper is（）.
A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.
Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
The canopy of an inflatable liferaft should（）.
Deck foam systems，designed to protect cargo areas on tankers built after January 1，1975，must have a supply of foam-producing material to operate the system at its designed rate of foam production for（）.
A serving mallet is used in（）.