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901.有一單式輪系,分別由A輪、惰輪及B輪組成,輪系值為+5,若A為主動輪,轉速為100rpm,則B輪之轉速為____rpm (A)20 (B)100 (C)250 (D)500。
問題詳情
901.有一單式輪系,分別由A輪、惰輪及B輪組成,輪系值為+5,若A為主動輪,轉速為100rpm,則B輪之轉速為____rpm
(A)20
(B)100
(C)250
(D)500。
參考答案
答案:D
難度:簡單0.808696
統計:A(9),B(3),C(4),D(93),E(0)
用户評論
【
yapojen
】評論
(Nb/Na)=5;(Nb/100rpm)=5;Nb=500rpm
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