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
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In nautical terminology a dog is a（）.
An example of a modern anchor which has a stock is a(n)（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
Anchors are prevented from running out when secured by the（）.
Each cylinder in a two stroke cycle engine experiences combustion（）.
In ship construction，frame spacing is（）.
In ship operations，hoisting and lowering pipe in and out of the drilled hole is the main function of the（）.
The C02 flooding system is actuated by a sequence of steps which are（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.