A.strengthen the line
B.increase its efficiency
C.prevent hand injury by covering loose ends
D.make the line more flexible
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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
A.Escape route
B.Alley way
C.Corridor
D.Embarking way
最新試題
Cable tension for catenary calculations is taken at the（）.
If the ship is alongside the wharf，what kind of（）is used?
A spring line leads（）.
Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
A tackle is two blocked when the blocks are（）.
The davit aboard a ship is used to（）.
If you were to pass a stopper on a wire rope，what should the stopper be made of?（）
A single heavy wire made up for the topping lift is called a（）.
Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.
A serving mallet is used in（）.