【Daily Question】Utilities - Mechanical & Electrical - 20190919
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When the speed governor operates, the braking force on the speed governor rope must not be less than the greater of the following two values: ( ). A. 300N, the force required for the safety catch device to activate ； B、300N, twice the force required for the safety clamp device to activate ； C、150N, the force required for the safety clamp device to activate ； D, 150N, twice the force required for the safety gear to activate. Answer: B
B、300N, twice the force required for the safety clamp device to activate；