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單項選擇題

Shell plating that has curvature in two directions and must be heated and hammered to shape over specially prepared forms is called（）.

A.compound plate
B.furnaced plate
C.flat plate
D.rolled plate

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單項選擇題

Panting frames are located in the（）.

A.after double bottoms
B.centerline tanks on tankers
C.fore and after peaks
D.forward double bottoms

單項選擇題

No deduction is allowed for the（）mess-room in ships having passenger accommodation，which are not also provided with a passengers’ mess-room.

A.officer
B.officers
C.officer's
D.officers’

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