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


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1.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

2.單項(xiàng)選擇題()is not a static load.

A.Actual weight of the ship's structure,outfitting,equipment and machinery
B.Ballast load(weight)
C.Cargo load
D.Slamming and sloshing load

3.單項(xiàng)選擇題()is not a longitudinal structural member.

A.sideshell
B.bottom shell plating
C.inner bottom plating
D.transverse bulkhead

4.單項(xiàng)選擇題What is used to prevent twisting of a towing bridle?()

A.A bitt
B.A bulkhead
C.A V-spring
D.A fishplate

5.單項(xiàng)選擇題What is the purpose of cant frames in steel vessels? ()

A.To support the overhang of the stern
B.To provide strength to shell plating at the stern
C.To add strength to the deck beams which support the weather decks
D.To support the plating of a cylindrical tank