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单选题
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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更多 “单选题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 capacityB after the line pull exceeds the rated winch capacityC after a short build-up of torqueD immediately” 相关考题
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