單項選擇題

A wire rope that has been overstrained will show（）.

A.a bulge in the wire where the strain occurred
B.a decrease in diameter where the strain occurred
C.a kink in the wire where the strain occurred
D.no visible effects of an overstrain

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單項選擇題

A tool consisting of a handle and releasable chain used for turning pipe or fittings of a diameter larger than that which a pipe wrench would fit is called（）.

A.breakout wrench
B.makeup tongs
C.chain tongs
D.pipe spinner

單項選擇題

A sufficient amount of chain must be veered when anchoring a vessel to ensure（）.

A.the vessel has enough room to swing while at anchor
B.the anchor flukes bite into the ocean bottom
C.there is sufficient weight from the anchor and chain to prevent dragging
D.there is more chain out than there is in the chain locker

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A wire rope that has been overstrained will show（）.

你可能感興趣的試題

A tool consisting of a handle and releasable chain used for turning pipe or fittings of a diameter larger than that which a pipe wrench would fit is called（）.

A sufficient amount of chain must be veered when anchoring a vessel to ensure（）.