산업안전기사 2021년 1회 3번

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과목: 안전관리론

문제[edit | edit source]

3. 하인리히의 재해구성비율 “1:29:300”에서 “29”에 해당되는 사고발생비율은?

  • ① 8.8%
  • ② 9.8%
  • ③ 10.8%
  • ④ 11.8%

풀어보기[edit | edit source]

정답[edit | edit source]

  • 1번

해설[edit | edit source]

같이 보기[edit | edit source]

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