單項選擇題Ballast water can only be()in cargo tanks in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required,provided that such operation of the oil tanker falls under the category of exceptional cases as established by the Organization.

A.carried
B.contained
C.filled
D.stuffed


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2.單項選擇題A vessel having continuous closely spaced transverse strength members is().

A.longitudinally framed
B.transversely framed
C.cellular framed
D.web framed

3.單項選擇題A term applied to the bottom shell plating in a double-bottom ship is().

A.bottom floor
B.outer bottom
C.shear plating
D.tank top

4.單項選擇題A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the().

A.areas where special materials are used
B.hazardous areas
C.location of emergency repair equipment
D.type and strength of materials used

5.單項選擇題A cofferdam is().

A.any deck below the main deck and above the lowest deck
B.a member that gives fore-and-aft strength
C.made by placing two bulkheads a few feet apart
D.a heavy fore-and-aft beam under the deck