A.camel
B.dolphin
C.rat guard
D.wedge
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A.bottom floor
B.outer bottom
C.shear plating
D.tank top
A.bar securing a cargo port
B.centerline vertical bulkhead
C.deep beam
D.spanner stay
A.increase the lifting capacity
B.increase the lifting radius
C.protect the slings
D.protect the upper part of a load
A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an engine's exhaust system
D.grounds static electricity
A.blind flange
B.pivot coupling
C.quick-release coupling
D.spectacle flange
最新試題
The holding capability of an anchor is primarily determined by the（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
The bypass valve on a self-contained breathing device should be opened if（）.
An example of a messenger is a（）.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
The most common type of davit found on merchant vessels today is the（）.
In ship construction，keel scantlings should be the greatest（）.
The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a（）.
If the engine of a survival craft does not start，check to see（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.