A.actual depth of water
B.actual depth of water below keel
C.average depth from waterline to hard bottom
D.average depth of water to soft bottom
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A.floors
B.intercostals
C.girders
D.stringers
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
最新試題
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
The holding capability of an anchor is primarily determined by the（）.
In ship construction，frame spacing is（）.
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.
The series of valves used to control the return flow in well control operations is called the（）.
Limit switches are used on which davits?（）
Cargo pump relief valves are piped to the（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.