一、船舶上一部 380 V，60 Hz，4 極的三相感應電動機，設轉差率為 0.03，轉子銅損為 120 W，機械損及雜散損合計為 200 W，試求此電動機轉子之電流頻率、輸出功率及輸出轉矩為多少？（26 分）

編輯私有筆記及自訂標籤電工學(電工原理)-109 年 - 109 專技高考_造船工程技師：電工學（包括電機機械）#93207
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點擊查看答案 參考答案 無參考答案 關閉 內容推薦 若正△ABC邊長為100，則其內切圓面積：外接圓面積＝？(A) 1:1 (B) 1:2 (C) 1:4 (D) 1:8 。 在△ABC中， ， ，若I、G兩點分別為△ABC的內心與重心，則 ＝？(A) 2 (B) 3 (C) 4 (D) 5 。 △ABC為直角三角形，∠BAC＝90°， ，D為 中點，若G1為△ABD的重心，若G2為△ACD的重心，則 長為何？(A) (B) 5 (C) (D) 。 如圖(八)，圓O分別與△ABC的三邊相切於D、E、F三點，若 ，則 ＝？  (A) 18 (B) 27 (C) 36 (D) 45 。 如圖(七)，△ABC為直角三角形，∠B＝90°， ，O為△ABC的內切圓圓心，則 ＝？ (A) 3 (B) (C) (D) 3√2。 如圖(六)，梯形ABCD中， 為梯形兩腰中點的連線段， ，則 ＝？  (A) 8 (B) 14 (C) 6 (D) 12 。 如圖(五)，△ABC中，若 為∠BAC的角平分線，且 ，則 ＝？  (A) 10 (B) 12 (C) 14 (D) 16 。 下列敘述何者錯誤？(A) 正多邊形的外心、內心、重心在同一點 (B) 正五邊形的對稱軸共有 5 條(C) 長方形一定有外接圓 (D) 直角三角形的重心在斜邊中點上 。 等腰△ABC中，∠BAC＝160°， 。若I點為△ABC之內心，則∠AIB＝？(A) 95° (B) 100° (C) 105° (D) 170° 。 已知a、b皆為正整數，且b＝a－3，則a2－b2必是下列何者的倍數？(A) 3 (B) 5 (C) 7 (D) 9 。 內容推薦 時刻 (A)meter 　 (B)shape　 (C)cigarette　 (D)moment 猜想 (A)suppose (B)count (C)pass by (D)raise 制服 (A)lighter (B)honey (C)neighbor (D)uniform You will have a big _______ of passing the exam if you work harder.(A)sign (B)point (C)chance (D He never says “sorry” to others ______ he knows he is wrong.(A)so (B)even though (C)whether (D)a Tom: Excuse me? Where is the Gogo restaurant? Kitty: ______ the road and turn right, and you won Ken: It’s so cold _______. How about going inside the house and have a cup of hot chocolate? Mar “John” is a very ________ name in the USA.(A)glad (B)lonely (C)comfortable (D)common I know that people in Meinong _____ Kakka people. Their culture and way of life are very differe William: I’d like to know whether the Gold Gate Bridge ______ since it opened to traffic on May Something _______ to stop butterflies from being killed.(A)has to be done (B) need doing (C)shou The famous actor _______ a lot of money every year, but he never buys expensive cars, houses or Could you tell me whether Lala _______ to the party next week?(A)was going (B)went (C)has gone ( In this city, all the garbage ______ on Saturday and Sunday.(A)takes out (B)isn’t taking out (C) She hates ________ to do all the housework by herself.(A)to ask (B)asking (C)being asked (D)being My husband’s birthday is coming, but I still can’t decide ________ for him.(A)what to buy (B)how Mom: Why are you late again? Tell me _______, or I’ll be very angry with you.Jason: Sorry, mom. I Can’t you tell me ________?(A)how could this happen (B)how many students are there in your class 【題組】Which is true?(A)Sandra sent the letter to the girl to let her know what her parents and tea 【題組】What does “tease” mean in Sandra’s letter?(A)Being friendly. (B)Being mean. (C)Being polite. 【題組】Sometimes bugs are covered in ___ for a snack. (A)juice (B)sugar (C)chocolate (D)cheese 【題組】According to the article, which is not true?(A)Only people in Africa eat strange food.(B)Bug 【題組】Who would find this book the most useful?(A)Juagar. He was sent to work in Taiwan and has be 【題組】Which is true?(A)Bob found that the number of chirps in 10 seconds is 50, so the temperature 【題組】“Aeroplane, airplane, colour, color, centre, center…Oh, my god. These words look almost the