单项选择题

Vertical structural members attached to the floors that add strength to the floors are called（）.

A.boss plates
B.buckler plates
C.stiffeners
D.breast hooks

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单项选择题

Vertical partitions which provide strength and compartmentalization on a ship are called（）.

A.decks
B.bulkheads
C.joiner work
D.walls

单项选择题

Transverse stability calculations require the use of（）.

A.hog or sag calculations or tables
B.hydrostatic curves
C.general arrangement plans
D.cross-sectional views of the vessel

单项选择题

To shore up the main deck for the stowage of deck cargo means to（）.

A.weld pad eyes on deck in proper position to secure the cargo
B.strengthen the main deck by placing pillars underneath it in the tween-decks
C.distribute the weight of the cargo by placing fore-and-aft planks on the main deck
D.package the cargo in wooden crates so it will not damage the deck