A.floors
B.intercostals
C.girders
D.stringers
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A.camel
B.dolphin
C.rat guard
D.wedge
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
最新試題
In ship construction，keel scantlings should be the greatest（）.
Each cylinder in a two stroke cycle engine experiences combustion（）.
The bypass valve on a self-contained breathing device should be opened if（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
Cargo pump relief valves are piped to the（）.
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.
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（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.