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If an attempt is made to hoist a load that exceeds the capacity of an electric winch,an overload safety device causes a circuit breaker to cut off the current to the winch motor().

A.when the line pull reaches the rated winch capacity
B.after the line pull exceeds the rated winch capacity
C.after a short build-up of torque
D.immediately

2.單項選擇題Herringbone is a term associated with().

A.anchoring
B.mooring
C.sewing
D.splicing