單項選擇題If kinking results while wire rope is being coiled clockwise,you should().

A.coil it counterclockwise
B.not coil it
C.take a turn under
D.twist out the kinks under a strain


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1.單項選擇題How is the size of chain determined().

A.Length of link in inches
B.Diameter of metal in link in inches or centimeters
C.Links per fathom
D.Weight of stud cable in pounds

2.單項選擇題How are riveted lap joints made watertight().

A.The faying surfaces are coated with white lead(or similar product)before the rivets are set
B.A sealing weld bead of 1/8 or less pitch is run along the plate edge
C.The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate
D.A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets

4.單項選擇題Chafing gear is used to().

A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines