1. 베어링 소음의 발생원에 따른 특성 주파수의 관계식이 잘못 된 것은? (단 r1 = 내륜의 반경, r2 = 외륜의 반경, r3 = 볼(Ball) 또는 롤러(Roller)의 반경, m = 볼(Ball) 또는 롤러(Roller) 의 수, nr = 내륜의 회전속도(rpm) 이다.)
오류 내용 신고
https://gongquiz.com/main/pages/search.php?q=%EC%84%A4%EB%B9%84%EB%B3%B4%EC%A0%84%EA%B8%B0%EC%82%AC
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