題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
36. 下圖表示(A)限時跳脫開關(B)常閉開關符號(C)一般 ON-off 開關(D)過載跳脫開關
問題詳情
36. 下圖表示
(A)限時跳脫開關
(B)常閉開關符號
(C)一般 ON-off 開關
(D)過載跳脫開關
參考答案
答案:D
統計:A:0,B:0,C:0,D:0,E:0
難度:計算中
上一篇 :
3. What compound is formed when 2,2-dimethyloxirane is treated with ethanol containing a trace of HC
下一篇 :
4.Rank the following compounds in order of increasing reactivity towards chlorination with CI2\/AIC
資訊推薦
9. 有 3 種分子化合物甲、乙和丙,它們具有相同的分子量,但是甲為非極性,乙為極性而丙則有氫鍵形成。則這 3 種分子化合物沸點的大小比較,何者正確? (A)甲<乙<丙 (B)丙<甲<乙 (C)乙<丙
8. 下列各組何者非互為共振結構式? (A)(B)(C)(D)
10. 下列哪一敘述無法代表約 1.00 mol 指定之純物質? (A) 12.01 g C (B) 65.4 g Zn (C) 26.0 g Fe (D)個 C 原子
2.Predict and arrange the reactivity of the following compounds in ascending order when reacting wit
37. 下列何種儀器通常不裝在控制盤內?(A)警報器(B)記錄器(C)控制器(D)傳送器。
38. 控制盤內空氣供應系統之水平方向管路中的支線管路取出點,係在幹管(A)前方(B)上方(C)後方(D)下方。
39. 下列何種方式沒有辦法降低洗衣機之使用水量,所以不建議採用?(A)選擇快洗行程(B)使用低水位清洗(C)兩、三件衣服也 丟洗衣機洗(D)選擇有自動調節水量的洗衣機,洗衣清洗前先脫水 1 次。
7.( )某有機物 Q,分子式為 C9H10O,屬於芳香族化合物,為了推定其結構式,作了下列實驗: 則下列結構式中,何者可能為 Q 的正確結構式? (A)(B)(C) (D)。
40. 如下圖,在電晶體符號中R表示(A)基極(B)集極(C)陽極(D)射極
2.The numerical value of the Boltzmann constant is kB = 1.38 x 10-23. Which of the following units i
3.Bernoulli's equation results from vrfiich conservation law? (A)conservation of electric charg
4.Which of the following statements of gravitationa] force is wrong? (A)It is a conservative ibrce.
5.Which of tiie following statements of lenses is true? (A)Nearsighted glasses use concave lenses. (
6.An object is placed 2f away from a thin and double convex lens of focal length f. Which of the fol
7 Order the following electromagnetic waves by wavelengths from the shortest to the longest: (i) vis
8.According to flie laws of tiiermodynamics, which of the following statements is correct? (A)Thermo
9.Which of the following statements about absolute pressure P, gauge pressure PG and atmospheric pre
10.Which of the following gases would exhibit a more narrow K^xweH-Boltzmann speed distribution at a
11.Which of the following descriptions of electrons is correct? (A)Electrons are massless. (B)Electr
12.Under what condition does the magnetic force on a charged particle perform work? (A)When the part
13.According to Lenz's law, when changing the magnetic flux throu^i a coil, the direction of th
14.See the right figure, there is a metallic sphere, on 的ich a constant electric potential is applie
複選題12. 鉀與氯氣反應形成氯化鉀,其化學反應式 和反應熱 如 式 2 所 示 : 表 1 是相關過程的能量變化 (△H0): 根據以上資料,試問下列敘述,哪些正確? (A) 甲 + 乙 + 丙
61. 水準點刻號寫於(A)北面(B)西面(C)東面(D)南面。
62. 外業時若不撐傘,經緯儀在烈日下曝晒,會使(A)儀器轉動困難(B)十字絲變形(C)儀器溫度下降(D)氣泡不易居中。