A.fairlead
B.heaving line
C.stay
D.warp
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A.prevent them from falling when the vessel rolls
B.protect personnel from electrical shock
C.increase their operating efficiency
D.prevent unauthorized personnel from operating them
A.actual depth of water
B.actual depth of water below keel
C.average depth from waterline to hard bottom
D.average depth of water to soft bottom
A.floors
B.intercostals
C.girders
D.stringers
A.camel
B.dolphin
C.rat guard
D.wedge
A.bottom floor
B.outer bottom
C.shear plating
D.tank top
最新試題
The portable radio apparatus means（）.
The function of the bypass valve on the self-contained breathing apparatus is to（）.
In nautical terminology a dog is a（）.
The most common type of davit found on merchant vessels today is the（）.
All electrical appliances aboard a vessel should be grounded to（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
Anchors are prevented from running out when secured by the（）.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
Permission is kindly requested（）the ballast water.
If the engine of a survival craft does not start，check to see（）.