單項選擇題In vessel construction，the garboard strake is（）.

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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1.單項選擇題In vessel construction，a greater number of watertight bulkheads results in（）.

A.increased capacity to set flooding boundaries
B.decreased capacity to set flooding boundaries
C.reduced compartmentation
D.greater deck load capacity

2.單項選擇題Holes in the bulwark，which allow deck water to drain into the sea，are（）.

A.doggers
B.fidleys
C.freeing ports
D.swash ports

3.單項選擇題Gross tonnage indicates the vessel’s（）.

A.displacement in metric tons
B.total weight including cargo
C.volume in cubic feet
D.the volume of the enclosed space

4.單項選擇題Grinding to eliminate shallow surface defects should be done（）.

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

5.單項選擇題Fuel oil tank vents are fitted with a screen which will stop（）.

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