【Daily Question】Question from Issue 20151111
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. When the arc color of a vacuum circuit breaker during opening is ( ), it is necessary to shut down the power supply for inspection. A. Light blue B. Blue C. Orange-red D. Red 【Production and Management Division】Seeking moderators and technical discussants to join
When the arc color during the opening of a vacuum circuit breaker is (c), a power outage is required for inspection. A. Light blue B. Blue C. Orange-red D. Red
C, orange-red============================
When the arc color of a vacuum circuit breaker during opening is ( ), it is necessary to shut down the power supply for inspection. C, orange-red
When the arc color of a vacuum circuit breaker during opening is ( ), it is necessary to shut down the power supply for inspection. C, orange-red
When the arc color of a vacuum circuit breaker during opening is ( ), it is necessary to shut down the power supply for inspection. C, orange-red
Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. When the arc color during the opening of a vacuum circuit breaker is (C), a power outage is required for inspection. A. Light blue B. Blue C. Orange-red D. Red
When the arc color during the opening of a vacuum circuit breaker is (C), it is necessary to shut down the power supply for inspection. A. Light blue B. Blue C. Orange-red D. Red
The answer is C.........................................