A.shear ram
B.blind ram
C.pipe ram
D.annular ram
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A.articulated anchor
B.Flipper Delta anchor
C.Baldt anchor
D.Danforth anchor
A.fairlead
B.heaving line
C.stay
D.warp
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
最新試題
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
In nautical terminology a dog is a（）.
Permission is kindly requested（）the ballast water.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
Each cylinder in a two stroke cycle engine experiences combustion（）.
The most common type of davit found on merchant vessels today is the（）.
If the engine of a survival craft does not start，check to see（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.