問題詳情
49. 欲測量三相感應電動機之鐵損，應進行下列何種試驗？
(A)負載試驗
(B)堵住試驗
(C)無載試驗
(D)直流電阻試驗
(A)負載試驗
(B)堵住試驗
(C)無載試驗
(D)直流電阻試驗
參考答案
無參考答案
內容推薦
- 幼苗種植後不再進行移植的作業稱為(A)移植(B)定植(C)種植(D)假植。
- 【題組】16 What is the third paragraph mainly about?(A) Consequences of trade restrictions in the U.S.(B
- 【題組】14 (A) It is always recommended as a spa resort(B) It is ranked in cultural and historical signi
- 請依下文回答第 15 題至第 19 題 Free trade is a free market policy followed by some international markets in whi
- 正常工作下，三相感應電動機負載與轉差率的關係為何？(A)負載增加，轉差率變大 (B)負載增加，轉差率變小(C)負載減小，轉差率變大 (D)負載變動，不影響轉差率
- 有一台20KW、200V之直流外激式發電機，已知電樞繞組電阻為0.1Ω，不考慮電樞反應與電刷壓降，則本機之應電勢為何？(A) 200V (B) 210V(C) 220V (D) 230V
- 感應電動機正常運轉時，轉子轉向與旋轉磁場方向的關係為何？(A)兩者相反 (B)兩者相同(C)視極數而定 (D)沒有關係
- 自耦變壓器輸入電壓及輸出電壓之比愈小，其輸出容量為何？(A)愈大 (B)愈小(C)不變 (D)不一定
- 【題組】8 (A) as well as (B) other than (C) away from (D) such as
- 【題組】13 (A) Due to the huge expense of its rennovation(B) Due to its close relation with Egyptian pyr
內容推薦
- 使用銀膜濾紙為採集介質之有害物為下列何者？(A)酚(B)氨(C)汞(D)氯。
- 請依下文回答第 20 題至第 25 題 A thin magnetic stripe is all that stands between Americans’ credit-card informa
- 【題組】21 Which of the following may the word plastic in Paragraph 3 refer to?(A) A credit card (B) An
- 【題組】19 Which of the following best describes the author’s attitude toward free trade?(A) Cynical and
- 【題組】23 Which of the following is true about EMV cards, compared with the traditional ones?(A) They c
- 【題組】22 According to this passage, what is the major reason why hackers steal people’s credit card da
- 【題組】24 Why haven’t big banks in the U.S. adopted the more secure technology?(A) The cost for new car
- 【題組】25 Why did France give up on magstripe technology for credit card authentication?(A) The telepho
- 《論語．雍也》：「子曰：『中人以上，可以語上也；中人以下，不可以語上也。』」其 意旨最接近下列哪一選項？(A)有教無類 (B)因材施教 (C)學思並重 (D)重視啟發
- 下列「 」內的讀音寫成國字後，字形相同的是哪一選項？(A)「ㄉㄢ」精竭慮／「ㄉㄢ」食瓢飲(B)「ㄇ一ˋ」不透風／祖傳「ㄇ一ˋ」方(C)急「ㄍㄨㄥ」好義／好大喜「ㄍㄨㄥ」(D)位居要「ㄐㄧㄣ」／止
- 造園工程中之土方工程最先著手之作業是？(A)排水(B)放樣(C)整地(D)回填。
- 【題組】18 What does detrimental mean in this article?(A) Critical. (B) Harmful. (C) Manageable. (D) Tem
- 下列各組「 」中的字，意義相同的是哪一選項？(A)雷「厲」風行／疾言「厲」色(B)萍蹤「靡」定／鉅細「靡」遺(C)五穀不「分」／「分」憂解勞(D)「度」日如年／再「度」光臨
- In most European countries, high tax is imposed but meanwhile their citizens benefit a lot from s
- My father didn’t say anything, but I could sense his displeasure as he _____ when seeing my repor
- She lost both her legs in the explosion a year ago and is still trying to _____ to her new life w
- The greatest part of her latest novel is how she _____ describes the life of an ordinary woman in
- I have no doubt that you are _____ of handling the situation by yourself. But whenever you need h
- 下列文句中的「所以」，用法與潘耒〈日知錄序〉：「事關民生國命者，必窮源溯本，討論其所以然。」中的「所以」相同的是哪一選項？(A)知郎君穎悟，必能默識，「所以」手語耳。(裴鉶〈崑崙奴〉)(B)親賢
- 詩歌常見直接借史事表達感觸的情形，下列具有這種特色的是哪一選項？(A)渭城朝雨浥輕塵，客舍青青柳色新。勸君更進一杯酒，西出陽關無故人(B)寒雨連江夜入吳，平明送客楚山孤。洛陽親友如相問，一片冰心
- 「四處碰壁」與「八面玲瓏」的關係，等同於「撲朔迷離」和下面哪一個選項的關係？(A)披星戴月 (B)水落石出 (C)盤根錯節 (D)瓜田李下
- 「倒反」指的是言意相反的修辭，下列哪一選項未運用「倒反」修辭？(A)老王說：這場雨，簡直下了快一整個世紀了(B)老李說：一個月居然被小偷光顧二次，我實在是太幸運了(C)老陳說：我當初就是太聰明了
- Experts say that television violence and battling scenes in video games might encourage teenagers
- The investigator suspected that Wang _____ set the house on fire to claim money from the insuranc
- The local people are making a strong _____ against the building of the nuclear waste disposal pl