A.larger chain stopper
B.disc backstopping brake
C.hydraulic clutch
D.electrical regenerative braking system
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A.filling completely
B.developing free surface
C.developing free surface moment
D.collapsing
A.equally sharing the load
B.jammed together
C.as far apart as possible
D.rove to the highest mechanical advantage
A.generally shorter than the others and is used to steer with
B.is longer than the others and is used as the stroke oar
C.is raised in the bow of the boat for the steersman to steer by
D.longer than the others used for steering
A.a short length of line used for temporarily holding another line
B.a snatch block for handling a topping lift
C.an engine order telegraph
D.the brake on a cargo winch
A.standing rigging
B.a downhaul
C.a halyard
D.a jib
最新試題
Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.
A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.
A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.
By regulation，life preservers aboard an uninspected towing vessel must be（）.
Immersion suits must be stowed（）.
If a davit-launched life raft aboard a vessel cannot be launched because of damage to the davit，you should（）.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out?（）
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 stay is（）.
Hand holds or straps on the underside of an inflatable liferaft are provided（）.