資訊推薦

• 14. 已知桶子內有 19 顆球，每顆球上皆標記一個號碼，其標記結果如表 ( 二 )所示。小莉打算從桶子內抽出一顆球，若桶子內每顆球被抽出的機會相等，則關於小莉抽出的球的號碼，下列選項中的事件何者出現
• 30. 部分民間團體主張，目前世界上多數國家公民的投票年齡皆為18歲，建議將我國公職人員選舉的投票資格門檻下修至18歲，讓年輕人能早點參與公共事務。若上述主張經修法通過，僅考量年齡的條件，下列關於「因
• 39.有一台1kVA之變壓器其匝數比為200/100，當一次繞組減少10%，再加上220V電壓時，則二次側之電壓約為多少V？(A)92(B)102(C)122(D)222
• 38.下列何者為直流電動機速率不安穩之原因？(A)電樞反應過大，串激場太強(B)電樞反應過大，串激場太弱(C)電樞反應過小，串激場太強(D)電樞反應過小，串激場太弱
• 40.有一4極直流發電機100kW、250V單式疊繞，則導體中之電流為多少安培( A )？(A)200(B)100(C)50(D)25
• 42.欲測量三相感應電動機之銅損，應進行下列何種試驗？(A)堵住試驗(B)直流電阻試驗(C)負載試驗(D)無載試驗
• 41.一根帶有15A之導線，其中有80cm置於磁通密度為1Wb/m2之磁場中，若導體放置的位置與磁場夾角為30°，則導體所受電磁力為多少牛頓？(A)50(B)20(C)10(D)6
• 44.某直流分激式電動機，當電樞電流40A時，轉速為1000rpm，若負載轉矩加倍，則電樞電流應為多少安培( A )？(A)60(B)80(C)180(D)240
• 43.有一台10kW、200V直流分激式發電機，分激場電阻100Ω，當負載短路時，短路電流為30A，此時電樞之感應電勢為3V，試求於額定負載時，發電機之感應電勢約為多少V？(A)205(B)208(C
• 45.一工廠有80kW負載，功率因數0.7，若要改善功率因數到0.9，則線路損失將約為原有損失的多少倍？(A)0.3(B)0.4(C)0.5(D)0.6
• 46.一台同步機容量20kVA、220V，短路時產生額定電流所需之場電流為6.4A，且在開路時產生額定電壓所需之場電流為10A，則此電機同步阻抗標么值為多少？(A)1.56(B)0.64(C)2.4(
• 32. 圖(十四)多國文字並列的招牌類型，常見於臺灣工業區及車站附近。此種類型的招牌主要是為了便於來自下列何地的外籍人士閱讀？ (A)印度半島(B)中南半島(C)西印度群島(D)阿拉伯半島
• 3 A group of scientists recently created a system that _____ brain waves into words by focusing on t
• 2 Most _____ foods are very high in sodium. If you’re eating something out of a can or a package, ch
• 4 As we sat over our drinks, he _____ his business, and by I expressed casually my surprise at him n
• 5 Our organization doesn’t support any political party and has rigorous safeguards in place at every
• 15. ∆ ABC、 ∆ ACD、 ∆ ADE 的頂點都在同一圓上，其中各點位置如圖 ( 六 ) 所示。若 = ，且∠ CAD = ∠ DAE = 30°，∠ BAC = 29°，則 的度數為何？(
• 6 The directive aims to ensure that persons of a particular religion or belief, disability, age or s
• 7 Jenny tried to _____ her parents about where she had been that evening, but her parents could smel
• 9 Our research on the elderly has shown that those who have dementia often appear to suffer a double
• 8 Koalas are often _____ identified due to their appearance as a member of the bear family, but they
• 10 A _____ of scandals and revelations has collectively undermined the government over the past year
• 請依下文回答第 11 題至第 15 題 　　Before the invention of the at-home refrigerator in 1913, it was rare to find
• 請依下文回答第 16 題至第 20 題 　　Would you ever eat a plant whose genes were altered by scientists in a laborat
• 請依下文回答第 21 題至第 25 題 　　Post-traumatic stress disorder is a malady of memory. Sufferers are often haun