資訊推薦

• 16. 將電阻成串連接稱為串聯，在串聯電路中，總電阻為各分電阻之和。(A)O(B)X
• 17. 使用電流錶測量電流時，電流錶應與電器(負荷)串聯。(A)O(B)X
• 18. 汽車用電瓶分電池組內，極板數目增加時，則電壓增加。(A)O(B)X
• 19. 一般汽油引擎在引擎怠速時，點火時間約在上死點後 7°至 15°。(A)O(B)X
• 20. 電瓶電由點火開關線頭經ST線頭流到馬達電磁開關之S線頭，電分二路，一條經較粗的吸住線圈到外殼鐵產生吸力，另一條經較細的吸入線圈經電磁開關的M線，經馬達磁場線圈及電樞線圈搭鐵，使馬達能緩慢旋轉，
• 1. 有一四缸引擎其汽缸的直徑為100公厘(㎜)，行程為90公厘(㎜)，設圓周率為3.14，則其排氣量為多少c.c. (A)1413(B)2826 (C)2289 (D)1145。
• 2.______是指引擎發動時在汽缸內產生之馬力，亦即由活塞行程和汽缸內壓力關係用壓容圖(PV 線圖)計算而得之馬力，引擎轉速愈高其值將會愈大。(A)引擎扭力 (B)制動馬力 (C)指示馬力 (D)摩
• 3. 一般引擎提高汽缸容積效率之方式有 (A)使進排氣門能適度地早關晚關 (B)加裝進氣增壓鼓風機 (C)增加進、排氣系統的阻力(D)適度的提高進氣溫度。
• 4. 四行程引擎當進汽門與排氣門均關閉，活塞由下往上死點方向移動的過程稱為 (A)進汽行程 (B)排氣行程 (C)壓縮行程 (D)動力行程。
• 5. 下列何者不是活塞的特性 (A)質量輕、強度大、耐磨 (B)能耐高溫 (C)導熱性佳 (D)膨脹係數大。
• 6. 有關飛輪的功用，下列何者為非 (A)在動力行程時吸收並暫存動能 (B)使引擎能夠運轉平穩 (C)為離合器之主動件 (D)為起動引擎時之主動件。
• 45. What is the major difference between an antiaromatic and aromatic compound?(A)Only aromatic comp
• 46. Which of the following is an incorrect statement about the bromination ofbenzene by Br2 and FeBr
• 47. Which of the following species is attacked by benzene in the electrophilicnitration reaction?(A)
• 48. Which of the following compounds will not undergo Friedel-Crafts acylationwhen treated with (A)t
• 7. 汽油的化學分子式為 (A) (B) (C) (D)
• 101. 捲揚鋼索直徑應比槽輪的槽溝直徑 (A)略大 (B)略小 (C)相等 (D)不一定 。
• 2.The unexpected appearance and explosion of a small asteroid over Russia's Ural Mountains on F
• 3. A very large__________ of language use is made up of a small number of high frequency vocabulary.
• 4.The rise of communicative __________ and especially task-based approaches to language teaching and
• 5. This is Josh's favorite band even though every song the band plays seems to__________ with a
• 6.As Glasgow put it, "Legal constraints maintained__________ that worked against any single ind
• 7. Under the pale blue sky the trees seemed visibly to__________ : yesterday's bare branches sw
• 8. Lady Luck is often believed to affect the__________ of individuals.(A)fortuity (B) parody (C) cat
• 9. "Y" is the__________ letter in the English alphabet.(A)terminal (B) seminal (C) penulti