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English Translations » 电气工程圈 » 【Daily Topic】【Electrical Edition 20170302】

【Daily Topic】【Electrical Edition 20170302】

2017-03-02View Original

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Participation reward: 2 Wealth. Correct reward: 8 Wealth. Multiple-choice question: What is the function of an alternating current contactor? A. Frequent on/off of the main circuit B. Frequent on/off of the control circuit C. Protection of the main circuit D. Protection of the control circuit A
Reply #22017-03-02
The function of an AC contactor is (A) to frequently turn on and off the main circuit.
Reply #32017-03-02
The function of an AC contactor is (A). A. Frequent on/off of the main circuit B. Frequent on/off of the control circuit C. Protection of the main circuit D. Protection of the control circuit
Reply #42017-03-02
The function of an AC contactor is (A). A. Frequent on/off of the main circuit B. Frequent on/off of the control circuit C. Protection of the main circuit D. Protection of the control circuit

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Translated at 2026-07-23 01:50:58

Original: https://bbs.hcbbs.com/thread-1752490-1-1.html

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