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• 14. 有一電阻值為20Ω的導線,在施工時,不慎將此導線的長度剪斷30%,試問剪短後的導線其電阻值為多少Ω? (A) 14Ω (B) 12Ω (C) 10Ω (D) 8Ω
• 15. 下列有關「基本電工工具之使用規範」的敘述,何者是錯誤的? (A)平口鉗為多用於金工操作,可作為剪斷導線使用 (B)平口鉗頂部之粗齒紋條可作夾持導線之用 (C)斜口鉗主要
• 16. 有一個無熔絲斷路器,上面標示200AF50AT,試問此無熔絲斷路器的連續額定電流是多少A? (A) 200A (B) 50A (C) 250A (D) 150A
• 17. 下列有關「電阻」的敘述,何者是錯誤的? (A)同長度的導線其截面積愈大,則電阻愈小 (B)超導體的電阻為0Ω (C)導線的電阻大小與其導線的材質有關 (D)一般
• 18. 有一電匠使用電壓表,量測最大電壓範圍為150V、內電阻為4kΩ,若電匠欲用此電壓表測試電壓擴大至1500V,試問此電壓表需串聯多少kΩ的電阻? (A) 36kΩ (B) 28kΩ (C
• 19. 當使用三用電表測量電阻時,若指針指到30,其範圍選擇旋鈕撥在R×10檔,試問實際電阻值為多少Ω? (A) 3kΩ (B) 30Ω (C) 30kΩ (D) 3000Ω
• 20. 欲使單相分相式感應電動機改變旋轉方向,則可改變下列何項? (A)電源電壓 (B)電源兩線端接線 (C)電源頻率 (D)起動線圈兩線端接線
• 21. 在一封閉迴路中,有「電壓升」等於「電壓降」的現象,試問是稱為下列何項定律或定則? (A)克希荷夫電壓定律(Kirchhoff's Voltage law) (B)楞次
• 22. 下列有關三用電表的測試棒接線方式,何者是正確的? (A)黑色測試棒連接至+插孔 (B)黑色測試棒連接至-COM插孔 (C)紅或黑色測試棒可隨意接線 (D)黑色測
• 23. 下列有關「電動機」的敘述,何者是錯誤的? (A)交流三相感應電動機轉繞組的磁場互差120° (B)電動機通常稱為馬達,有直流與交流電動機兩類 (C)交流單相感應電動機的
• 24. 我國電源導線的線規採用公制,有關單心線之表示法,是以該導線的何種方式表示? (A)該導線的截面積 (B)該導線之直徑的平方 (C)該導線的長度 (D)該導線之直徑的大小
• 25. 有2顆電燈泡,其規格分別為110 V\/30 W 與110 V\/80 W,若將此2顆電燈泡串聯後,接上220V的電源,試問此2顆電燈泡最可能會有下列何種狀態? (A)2顆電燈泡皆
• 複選題26. 在進行銲接時,烙鐵架上所附之濕海綿的用途為何? (A)降低烙鐵頭溫度 (B)維持烙鐵頭與環境的濕度 (C)去除烙鐵頭多餘的銲錫 (D)去除烙鐵頭髒污
• 複選題27. 有關電阻的敘述,下列何者正確? (A)與電阻係數成反比 (B)與截面積成反比 (C)與濕度成正比 (D)與長度成正比
• 1.2 My brother started working in the pizza business after ______ graduated from college. (A) himsel
• 1.3 The announce of the captain is that the airplane would be arriving in twenty minutes. (A)announ
• 1.4 Understand the interplay between money, interest rates, and debt could be useful. (A)Understand
• 1.5 An anonymous provided the money to build new medical facilities at the prison. (A)anonymous pro
• 1.6 The enclosed brochure explains how, ______ can file a claim quickly and easily. (A) who (B) one
• 1.7 The actively of all license holders are regulated and supervised by government agencies. (A)ac
• 2.1 He ______ all his money in bad stocks, and now he is flat broke. (A) investment (B) investing (C
• 2.2 What they present in the book is a set of techniques that systematically ______ the learner for
• 2.3 It taken ten months of writing and revising to prepare a film script from the author’s novel.
• 2.4 An independent poll showersthat Randall Straus is currently the most popular politician in the s
• 2.5 Her goal to get up and exercise in the morning before going to work. (A)goal to(B)exercise(C)mo