單項(xiàng)選擇題

A shore is a piece of securing dunnage that（）.

A.runs from a low supporting level up to the cargo at an angle
B.is also known as a distance piece
C.is placed on the deck under the cargo to distribute its weight evently
D.is run horizontally from a support to the cargo

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單項(xiàng)選擇題

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.

A.blind flange
B.pivot coupling
C.quick-release coupling
D.spectacle flange

單項(xiàng)選擇題

A spreader bar is used to（）.

A.increase the lifting capacity
B.increase the lifting radius
C.protect the slings
D.protect the upper part of a load

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A shore is a piece of securing dunnage that（）.

你可能感興趣的試題

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.

A spreader bar is used to（）.