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31. 摩擦輪傳動是屬於何種運動對? (A)高對 (B)低對 (C)力鎖對 (D)螺旋對
問題詳情
31. 摩擦輪傳動是屬於何種運動對?
(A)高對
(B)低對
(C)力鎖對
(D)螺旋對
參考答案
答案:A
統計:A:15,B:5,C:1,D:1,E:0
難度:計算中
上一篇 :
30. 在一般皮帶輪傳動中帶輪的輪面,常製作成中央隆起之形狀,其主要目的為何? (A)減少帶輪震動 (B)增加帶輪強度 (C)防止平皮帶脫落 (D)增加傳動速率
下一篇 :
32. 有關起重滑車的敘述,下列何者敘述正確? (A)與槓桿相同的作用原理 (B)動滑車可改變施力方向但不能改變作用力大小 (C)惠斯頓差動滑車的定滑輪二槽輪直徑差愈大機械利益愈大 (D)惠斯頓差動滑
資訊推薦
33. 下列哪一種彈簧吸收負載的能量最大且常用於卡車的避震裝置? (A)單片彈簧 (B)疊板(板片)彈簧 (C)螺旋扭轉彈簧 (D)拉伸彈簧
34. 當一圓沿著一直線或圓周滾動時,此圓的圓周上一點的軌跡稱為何種線條? (A)漸開線 (B)阿基米德螺旋線 (C)擺線 (D)圓錐螺旋線
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