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32.皮帶之緊邊張力與鬆邊張力比以多少為宜?(A) 5:5 (B) 6:4 (C) 7:3 (D) 8:2。
問題詳情
32.皮帶之緊邊張力與鬆邊張力比以多少為宜?
(A) 5:5
(B) 6:4
(C) 7:3
(D) 8:2。
參考答案
答案:C
難度:
非常簡單
1
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33.如圖所示之皮帶傳動系統,A 輪之直徑為 20 cm,轉速為 1200 rpmC.W.,若 B 輪之直徑為 30 cm,則 B 輪之轉速及方向為何? (A) 800 rpm C.C.W. (B)
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