題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
39.在太陽行星齒輪裝置中,活塞每往復一次,則曲柄迴轉(A)1次 (B)2次 (C)3次 (D)4次。
問題詳情
39.在太陽行星齒輪裝置中,活塞每往復一次,則曲柄迴轉
(A)1次
(B)2次
(C)3次
(D)4次。
參考答案
上一篇 :
21.有關剪力流(shear flow)的敘述,下列何者錯誤?(A)剪力流是沿著結構樑之軸方向的單位面積剪力(B)常應用於分析人為建造的複合部件(composite parts)結構(C)鎖緊結構樑的
下一篇 :
22.於受力的簡支樑,其力矩-曲率(moment-curvature)關係中,下列何者是正確的表示式?(其中:ρ =曲率半徑,y=樑的垂直軸向位移座標,ε =應變量,M=樑的內力矩(internal
資訊推薦
9. Lactose yields 1 equivalent D-glucose and 1 equivalent _________ on hydrolysis.(A) D-fructose (B)
40.如圖所示之周轉輪系,若輪2轉速為+3,旋臂轉速為-1,試求輪5、輪4之轉速分別為若干(旋臂繞輪2軸心旋轉)? (A)-19,+6 (B)-21,+4 (C)+19,-6 (D)+9,-3.5。
12. Which of the following Fischer projections of glyceraldehydes represent the same configuration w
4. 安裝網頁主機,為節省軟體經費並有合法版權,下列哪一個作業軟體較適合? (A)Linux(B)OS/ 2(C)Windows 7(D)Window 8。
4.某延性材料的拉伸實驗,在線彈性範圍內,測得平均拉應力為 336MPa 時,平均伸長應變為 0.0048,請 問該材料的彈性模數(modulus of elasticity)為何?(A)50GPa(
13. Jack: Today is Grandma’s birthday. _________ is going to happen.Ken: That’s right. I can’t wait
14. Sam: Do you want to go picnicking with us?Judy: Maybe next time. I just _________ with my cousin
15. Ben didn’t go to children’s home last Monday, but we _________. We had a good time there.(A)went
17. Mom: Did you _________ Mimi this morning?Owen: Yes. I _________ it at ten. It ate three plates o
19. A: _________ did you guys toss David into the lake?B: We did it _________ he was the birthday bo
11. Glucosamine, the monosaccharide unit from chitin has an amino group at what position?(A) C1 (B)
10. Sucrose is an example of__________.(A) a reducing sugar (B) a ketohexose (C) an anomer of ribose
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
12. Today’s a wonderful day to Peggy because she _________ a swimming contest.(A)won(B)burped (C) dr
5.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
16. In the mountains, we sat around the _________. We felt warm and watched the full moon and stars.
(B) 【題組】26.Ms. Lin wants 20 students to join the singing club. Students must get 80 in music. How ma
25.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
18. The questions on the math test are easy _________ I finished it in just ten minutes.(A), because
13. Choose the set of reagents which best accomplishes the desired conversion. (A) sulfuric acid, H
20. Ms. Wu was an art teacher before, so she bought a lot of art books _________ her students.(A)for
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。
【題組】23.(A)visit (B)spot(C)call(D)touch
【題組】22.(A)came(B)comes(C)is coming (D)come
42.A、B、C與D四個齒輪依序構成一個單式輪系,齒數分別為100、60、80、與100,若A為首輪,D為末輪,則其輪系值為?(A)-1/2 (B)1 (C)2 (D)-1。