A.degaussed
B.demagnetized
C.soaked
D.sandblasted
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A.wooden plug
B.soft rubber plug
C.two-piece soft patch
D.mechanical means of closing
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
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The platform that supports the derrickman when tripping pipe is called the（）.
Shell plating is（）.
On a ship，the deck stringer is the outboardmost deck（）.
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
The opening in the deck that leads the anchor cable outside the hull is the（）.
The strake on each side of the keel is called a（）.
Fuel oil tank vents are fitted with a screen which will stop（）.
Pollution regulations require that each scupper in an enclosed deck area have a（）.
Bilge keels are fitted on ships to（）.
Gross tonnage indicates the vessel’s（）.