問題詳情
11 有一積複激式直流發電機,若將其作為電動機使用,而一切內部接線均不變動,則此電動機特性:
(A)仍為積複激式
(B)為並激式
(C)為串激式
(D)為差複激式
(A)仍為積複激式
(B)為並激式
(C)為串激式
(D)為差複激式
參考答案
答案:D
難度:簡單0.75
統計:A(12),B(1),C(1),D(66),E(0)
內容推薦
- (AB) admit (AC) suffer (AD) responsibility (AE) delete (BC) ashamed(BD) normally (BE) immedia
- (AB) admit (AC) suffer (AD) responsibility (AE) delete (BC) ashamed(BD) normally (BE) immedia
- 9 直流並激發電機,電壓建立失效的原因可能是?(A)剩磁過強(B)磁場電阻過低(C)磁場繞組反接(D)接地線接觸不良
- 9 一平面與水平面的傾斜角度為 tan-1(0.04),其斜度標註之符號應為:(A) 1:25(B) 25:1(C) 1:25(D) 25:1
- 32 關於針對核苷酸合成路徑所設計的藥物,下列敘述何者錯誤?(A)azaserine 會抑制 glutamine amidotransferase,無法提供核苷酸合成所需要的氮基(B)fluorour
- 27 維生素 lipoic acid 及 biotin 是與酶分子中那個胺基酸結合?(A)proline (B)glutamate (C)lysine (D)arginine
- (AB) admit (AC) suffer (AD) responsibility (AE) delete (BC) ashamed(BD) normally (BE) immedia
- 37 關於 aminoacyl-tRNA 的合成反應,下列那一項敘述正確?(A)需要鳥苷三磷酸(GTP)與錳離子(Mn2+) (B)需要腺苷三磷酸(ATP)與錳離子(Mn2+)(C)將胺基酸接合在 t
- Most electric products are __________ against failure for one year from the day ofpurchase.(A) co
- 31 在生物體內,質體(plasmid)DNA 以負超螺旋結構(negative supercoiling)存在,這代表其 linkingnumber(Lk)為何?(A)Lk>Lk0 (B)Lk=Lk
內容推薦
- 30 5’-ACCGTAAGGCTTTAG-3’DNA 之互補股(complementary strand),其核苷酸序列為何?(A)5’-ACCGUAAGGCUUUA-3’ (B)5’-CUAAAG
- 33 細胞在下列何種情況之下,會有反轉錄酵素(reverse transcriptase)活性的參與?(A)DNA lagging strand 的複製 (B)DNA leading strand 的
- 40 紅血球因缺乏粒線體,其葡萄糖分解的最終產物為何?(A)pyruvate (B)lactate (C)acetyl-CoA (D)CO2
- 38 克氏循環(TCA cycle)中那種酵素的受質為一個四碳化合物?(A)異檸檬酸脫氫酶(isocitrate dehydrogenase) (B)烏頭酸酶(aconitase)(C)檸檬酸合成酶(
- 將三部 100 kVA,13,800/480 V 的單相變壓器以∆-∆連接組成一個13,800/480 V 的三相變壓器,此三相變壓器低壓側的額定電流容量約為多少安培?(A) 300(B) 361
- (AB) admit (AC) suffer (AD) responsibility (AE) delete (BC) ashamed(BD) normally (BE) immedia
- What does the underlined slogan “You do your part.” refer to?(A) Customers have to decide wh
- 第 41 至 44 題為題組IKEA follows the focused cost leadership strategy. Young buyers in search of stylish a
- When Vicki and Ben meet, they __________ end up quarreling. I wonder why theyalways argue.(A) app
- 10 下列何者不是改善直流電機「電樞反應」的方法?(A)移動電刷位置(B) 改變磁極數目(C)加裝中間極(D)加裝補償繞組
- 12 額定 100 V,5 hp,效率 75%之直流電動機,在滿載時,其電流約為多少安培?(A) 100(B)50(C)10(D)2
- All the fans were ___________ with excitement while watching their favorite teamwinning the final
- 41 穿越細胞膜(transmembrane)的蛋白質中,色胺酸(tryptophan)最常位於何處?(A)細胞膜脂肪層內(intra-lipid bilayer) (B)細胞質的水相中(C)細胞膜脂
- 43 脂肪酸 cis-, cis-delta 9, delta 12-octadecadienoate 是指下列何者?(A)oleate (B)palmitoleate (C)linoleate (D
- According to this article, why does IKEA sell Swedish food in the stores?(A) The profit of f
- 16 在電機製造時,採用短節距繞組之優點為(A)省銅線、增加電壓(B)繞線容易、馬力增加(C)增加馬力與效率(D)省銅線、繞線容易
- 18 同步機之電樞反應與其電樞電流(A)相位無關(B)大小無關(C)大小及相位無關(D)大小及相位有關
- Don’t justify your bad driving habits by saying that you don’t deliberately __________traffic rul
- 1858年夏天的酷熱,讓位於泰晤士河邊的英國國會,因為河水傳來陣陣的惡臭,導致國會議員無法工作。國會雖曾討論傳染病與河水污穢的關係,但民意的壓力,讓議員寧願冒著霍亂傳播的風險,也不願意來解決這汙
- Organic foods have more ______ than traditional foods.(A) Vitamin C (B) pesticides(C) phosph
- 45 Lesch-Nyhan syndrome 是因缺乏次黃嘌呤-鳥嘌呤磷酸核苷轉移酶( hypoxanthine-guaninephosphoribosyltransferase),因而發生下列何種
- 42 厭水性分析圖(hydropathy plot)一般可用於:(A)推算膜蛋白質的四級結構(B)測定天然的蛋白質(native protein)的水含量(C)推算膜蛋白質的實際分子量(D)預測已知的
- The best __________ to attack is not to hit your enemy head-on, but to find a wayaround and stri
- 21 若一部 24 極之三相同步發電機,其發電電壓頻率為 60 Hz,則其轉子轉速為多少 rpm?(A) 100(B)200(C) 300(D) 1200
- Most of the main religions all teach us to have __________ for the poor and those who arein need.