A.bottom floor
B.outer bottom
C.shear plating
D.tank top
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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
A.yearly inspection
B.quarterly inspection
C.monthly inspection
D.weekly inspection
最新試題
The holding capability of an anchor is primarily determined by the（）.
An example of a messenger is a（）.
The purpose of a bilge well is to（）.
If the engine of a survival craft does not start，check to see（）.
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（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
Cargo pump relief valves are piped to the（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
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（）.
The function of the bypass valve on the self-contained breathing apparatus is to（）.