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
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1.單項選擇題Herringbone is a term associated with（）.
A.anchoring
B.mooring
C.sewing
D.splicing
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A.cargo runners
B.stays
C.topping lifts
D.All of the above
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Herringbone is a term associated with（）.
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Compared to manila line，size for size，nylon line（）.
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If kinking results while wire rope is being coiled clockwise，you should（）.
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Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?（）.
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Galvanizing would be suitable for protecting wire rope which is used for（）.
題型：單項選擇題