輪系值小於1的輪系是用來(A)降低轉速　(B)增加轉速　(C)減少功率損失　(D)提高效率。

問題詳情

41.輪系值小於1的輪系是用來
(A)降低轉速　
(B)增加轉速　
(C)減少功率損失　
(D)提高效率。

參考答案

無參考答案

內容推薦

Choose the set of reagents which best accomplishes the desired conversion. (A) sulfuric acid, H
The questions on the math test are easy _________ I finished it in just ten minutes.(A), because
如【圖 25】所示，一無摩擦滑輪半徑 r，裝置於一高 h 的柱頂，力量 P 拉住一物重 W 保持靜止，此時柱底所承受的力矩為何？ (A) wh(B) w(h+r)(C) w(h+2r)(D) 2
(B) 【題組】Ms. Lin wants 20 students to join the singing club. Students must get 80 in music. How ma
In the mountains, we sat around the _________. We felt warm and watched the full moon and stars.
某個力向量表示為：，請問的值為何？ (A)-12/13 (B) 3/13 (C) -4/13 (D) 3/14
Today’s a wonderful day to Peggy because she _________ a swimming contest.(A)won(B)burped (C) dr
二、下列四個題組(題號21~35)，請依選文或圖表資料，選出一個正確或最佳的答案。(30%)(A)(on the street in Australia)Calvin: Hey, Tom! Long
Sucrose is an example of__________.(A) a reducing sugar (B) a ketohexose (C) an anomer of ribose
Glucosamine, the monosaccharide unit from chitin has an amino group at what position?(A) C1 (B)

內容推薦