A.articulated anchor
B.Flipper Delta anchor
C.Baldt anchor
D.Danforth anchor
您可能感興趣的試卷
你可能感興趣的試題
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
A.camel
B.dolphin
C.rat guard
D.wedge
最新試題
The most common type of davit found on merchant vessels today is the（）.
The holding capability of an anchor is primarily determined by the（）.
The series of valves used to control the return flow in well control operations is called the（）.
Limit switches are used on which davits?（）
An example of a modern anchor which has a stock is a(n)（）.
An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.
In ship construction，keel scantlings should be the greatest（）.
The portable radio apparatus means（）.
If the engine of a survival craft does not start，check to see（）.
Static electricity may be built up by the（）.