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Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–22

2019-12-21View Original

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Process Engineering Division – Instrumentation and Automation Technology Forum – Daily Question – Questions 12–22: Multiple-choice questions: A relay that operates after a certain period of time has passed since a voltage or current signal is received is called (   ).   (A) Time relay (B) Voltage relay (C) Current relay (D) Intermediate relay Answer: A

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