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（）.
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
In relation to cargo gear，what does SWL mean?（）.
An example of a messenger is a（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
The purpose of a bilge well is to（）.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
Cargo pump relief valves are piped to the（）.
All electrical appliances aboard a vessel should be grounded to（）.
As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration. These voids are known as（）.