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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A.increased capacity to set flooding boundaries
B.decreased capacity to set flooding boundaries
C.reduced compartmentation
D.greater deck load capacity
A.doggers
B.fidleys
C.freeing ports
D.swash ports
A.displacement in metric tons
B.total weight including cargo
C.volume in cubic feet
D.the volume of the enclosed space
A.parallel to the longitudinal direction of the chain
B.perpendicular to the direction of the anchor chain
C.diagonally across the link of the anchor chain
D.around the circumference of the chain link
A.oil from flowing out of the tank vent
B.air from entering the tank vent
C.vapors from leaving the tank vent
D.flames on deck from entering the tank vent
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Gross tonnage indicates the vessel’s（）.
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.
On a ship，the deck stringer is the outboardmost deck（）.
Owing to the greater girth of a ship amidships than at the ends，certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called（）.
The opening in the deck that leads the anchor cable outside the hull is the（）.
Freeboard is measured from the upper edge of the（）.
The platform that supports the derrickman when tripping pipe is called the（）.
Buckler plates are（）.
The machinery associated with heaving in and running out anchor chain is the（）.
The riding pawl is（）.