單項(xiàng)選擇題The hull is divided up into a number of watertight compartments by（）.

A.inner bottom plating and longitudinals
B.decks and bulkheads
C.double bottom girders
D.topside and hopper tank sloping plating and longitudinals


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2.單項(xiàng)選擇題The deadweight of a bulk carrier consists of（）.

A.the weight of the ship's structure and its machinery
B.bunker and other consumable loads
C.ballast loads
D.all those weights，such as the weight of the bunkers，ballast，provisions and cargo

4.單項(xiàng)選擇題For existing ships，（）is not an improvement to safety.

A.the reinforcement of the aft transverse watertight bulkhead
B.the double bottom structure in way of the foremost cargo hold
C.the introduction of a more rigorous survey regime and greater attention to operating procedures
D.introduction of new and improved designs

5.單項(xiàng)選擇題Floors aboard ship are（）.

A.frames to which the tank top and bottom shell are fastened on a double bottomed ship
B.transverse members of the ships frame which support the decks
C.longitudinal beams in the extreme bottom of a ship from which the ship's ribs start
D.longitudinal angle bars fastened to a surface for strength