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안전소방 매일 한 문제 (12.27)

2016-12-27View Original

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단일 선택문 1. 가연성 물질과 결합하여 연소를 유발하고 촉진하는 물질을 무엇이라고 하는가? ( )A、연료;B. 가연물;C. 연소 생성물;D. 산화물.2. 전동기의 전원에서 퓨즈나 전선 한 가닥이 끊어지면 ( )이 발생합니다.A、단락  B、단상 운전 C、누설 전류  D、정전 참고 정답: A B

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