单项选择题

The securing systems for containers were developed to prevent container movement during which ship motion?（）.

A.Surge
B.Roll
C.Sway
D.Yaw

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单项选择题

What is NOT a securing system used on a containership?（）.

A.Lashing system
B.Stacking system
C.Locking system
D.Buttress system

单项选择题

What purpose does a bridge fitting serve when lashing containers?（）.

A.Ties a container stack to the deck
B.Ties a container to the container below it
C.Restrains racking loads
D.Restrains the container against horizontal motion

单项选择题

Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? （）

A.Stack weights should be less when using a solid bar lashing as compared to a wire lashing
B.Stack heights may be increased when using a solid bar lashing
C.Stack heights should be reduced when using a solid bar lashing
D.Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier(s)