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42. 一般攜帶型電表之準確等級(Cla ss)為 (A)2.5 (B)2.0 (C)1.5 (D)0.5 。
問題詳情
42. 一般攜帶型電表之準確等級(Cla ss)為
(A)2.5
(B)2.0
(C)1.5
(D)0.5 。
參考答案
答案:D
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
41. 盤面型電表安裝時,需與地面呈 (A)水平 (B)斜 45° (C)斜 60° (D)垂直 。
下一篇 :
43. 電器開關的開閉速度是 (A)越快越好 (B)越慢越好 (C)開時快閉時慢 (D)開時慢閉時快 。
資訊推薦
44. 250 伏刀型開關,額定電流在________者,僅可作為隔離開關之用,不得在有負載之下開啟電路。(A)600A 以上 (B)800A 以上 (C)1000A 以上 (D)1200A 以上
45. 下列何種設備不能將短路電流啟斷? (A)配線用斷路器 (B)手捺開關 (C)有過電流元件之漏電斷路器 (D)電動機用斷路器 。
46. 使用手捺開關控制日光燈、電扇等電感性負載時,負載應不超過開關額定電流值的 (A)60% (B)80% (C)100% (D)125% 。
47. 無熔線斷路器之 AT 代表 (A)故障電流 (B)跳脫電流 (C)額定電流 (D)框架電流。
48. 無熔線斷路器標明 3P 100AF 75AT 10KA,其額定跳脫電流為 (A)25A (B)75A (C)100A (D)175A 。
49. 無熔線斷路器接線未用端子壓接鎖線時,則 (A)絞線剝皮後,推入鎖緊 (B)絞線剝皮後理直,推入鎖緊 (C)絞線剝皮後為適應孔徑可部分斷股,再將其餘導線理直並焊錫後,推入鎖緊 (D)絞線剝皮理直
50. 無熔線斷路器啟斷容量之選定係依據 (A)線路之電壓降 (B)功率因數 (C)短路電流 (D)使用額定電流 。
17. I am so sorry about the __________ of your dog.(A) die (B) dying (C) dead (D) death
18.A: Why ___________ Andy late for the meeting again? B: He __________ the bus.(A) did ; didn’t cau
19.I don’t like ghost stories. I ___________ ghost stories.(A) look after (B) dress up(C) am scared
20.Peter ___________ baseball in the park and then __________ his bike home last Saturday.(A) plaied
21.My parents ________ a touching story ________ me last night.(A) share ; to (B) shares ; about(C)
22.The children didn’t go to the beach __________ it rained yesterday.(A) because (B) , and(C) , so
23. A: How were your parents __________? B: They were strict, but they _________ nice to me now.(A)b
24.John didn’t sleep at all last night, so he was tired today.=_____________(A) John didn’t sleep at
25.Choose the WRONG sentence:(A) Coco is a movie about death, and it reminded me of my grandfather.(
三、克漏字選擇 Dear Anna, How have you been? I miss you so much! I’m in Mexico, and I plan to stay here
【題組】27.(A) and it reminds them of the joy (B) and it lasts for a few days(C) but people still have t
【題組】28.(A) burnt paper money (B) danced to music in a circle(C) prepared food offerings (D) planted
【題組】29.(A) were afraid of the death (B) were curious about future(C) liked to talk about death (D) d
【題組】30.(A) in a lively way (B) with fear (C) at home (D) with flowers and candy
四、閱讀測驗 A. Martin Luther King Jr. was a great leader. He grew up in the American South in the m
【題組】32.What might Martin Luther King Jr. say before?(A) You’ve got to put the past behind before you
B. Malala Yousafzai is a young Pakistani activist. She fought for women to have the rights to go
【題組】34. What happened to the girls' schools when the Taliban took over Pakistan?(A) They were s