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單項選擇題

Tonnage openings must be closed by means of（）.

A.Press board
B.Steel hatch boards
C.Steel plates
D.Wooden hatch boards

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單項選擇題

The Vessel’s cargo holds are properly fitted with（）in way of hatches.

A.Floor-ceiling
B.Battens
C.Covers
D.Hard-wood boards

單項選擇題

The strake on each side of the keel is called a（）.

A.Sheer strake
B.Gatewood strake
C.Insulation strake
D.Garboard strake