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공정공학 지역 – 계측 자동제어 버전 – 매일 한 문제 – 2020-07-07일자 문제

2020-07-07View Original

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공정공학 지구 – 계측 자동제어 버전 – 매일 한 문제 – 2020-07-07일자 문제 단일 선택 문제: 171. 220VAC 전압의 값은 다음 도구 중 어느 것을 사용하여 측정할 수 있나요? ( ) 1) 24V 직류 전원 2) 전기 펜 3) 멀티미터 AC~단계 4) 검증기(기압용) 정답: 3) 멀티미터 AC~단계

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