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 strake on each side of the keel is called a（）.
On a ship，the deck stringer is the outboardmost deck（）.
The antennas of the trucks on deck are not fitted（）.
One function of a bulwark is to（）.
The opening in the deck that leads the anchor cable outside the hull is the（）.
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.
A wildcat is a（）.
Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.
Fuel oil tank vents are fitted with a screen which will stop（）.