A.wooden plug
B.soft rubber plug
C.two-piece soft patch
D.mechanical means of closing
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A.drop strakes
B.stealers
C.throughs
D.voids
A.help keep the deck dry
B.prevent stress concentrations on the stringer plate
C.protect against twisting forces exerted on the frame of the vessel
D.reinforce the side stringers
A.plating
B.beam
C.stiffener
D.stanchion
A.located next to and parallel to the keel
B.located next to and parallel to the gunwale
C.another term for the bilge keel
D.another term for the rub rail
A.increased capacity to set flooding boundaries
B.decreased capacity to set flooding boundaries
C.reduced compartmentation
D.greater deck load capacity
最新試題
The platform that supports the derrickman when tripping pipe is called the（）.
The term strake is used in reference to（）.
The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.
The machinery associated with heaving in and running out anchor chain is the（）.
The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a（）.
The purpose of cant frames in steel vessels is（）.
Freeboard is measured from the upper edge of the（）.
Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.
The riding pawl is（）.
Pollution regulations require that each scupper in an enclosed deck area have a（）.