單項(xiàng)選擇題

What does the proof test load of an anchor chain demonstrate?（）

A.Breaking strength of the chain
B.Strength of the chain to a specified limit
C.Adequate holding power for new bottom conditions
D.Safe working load of the chain

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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