單項(xiàng)選擇題The purpose of the tripping line on a sea anchor is to().

A.Aid in casting off
B.Direct the drift of the vessel
C.Aid in its recovery
D.Maintain maximum resistance to broaching


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1.單項(xiàng)選擇題The margin plate is the().

A.outboard strake of plating on each side of an innerbottom
B.outer strake of plating on each side of the main deck of a vessel
C.plate which sits atop the center vertical keel
D.uppermost continuous strake of plating on the shell of a vessel

3.單項(xiàng)選擇題The Chief Petty Officer employed in the repair and maintenance work shall such abilities as to prepare and apply().

A.primers and paints
B.painters
C.promisers
D.compromisers

5.單項(xiàng)選擇題Fueling activities()waste liquids and vapor releases to air.

A.commence
B.generate
C.give
D.have