2016.05電工進(jìn)網(wǎng)許可證高壓類題庫

1、1目錄第一章電工基礎(chǔ)..........................................................................................................................................2一、單選題一、單選題.............................................................

2、.................................................................................2二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）..................................................................................................3三、多選題三、多選

3、題..............................................................................................................................................4四、案例分析題四、案例分析題..............................................................

4、........................................................................5第二章電力系統(tǒng)基本知識(shí)..........................................................................................................................7一、單選題一、單選題...

5、...........................................................................................................................................7二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）..................................................

6、..............................................13三、多選題三、多選題............................................................................................................................................16第三章電力變壓器............

7、........................................................................................................................18一、單選題一、單選題........................................................................................

8、....................................................18二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）................................................................................................25三、多選題三、多選題............................

9、................................................................................................................30四、案例分析題四、案例分析題............................................................................................

10、........................................31第四章高壓電器與成套設(shè)備....................................................................................................................32一、單選題一、單選題......................................

11、......................................................................................................32二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）......................................................................................

12、..........35三、多選題三、多選題............................................................................................................................................37四、案例分析四、案例分析............................................

13、............................................................................................39第五章高壓電力線路.....................................................................................................................

14、...........40一、單選題一、單選題............................................................................................................................................40二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）.........................

15、.......................................................................42三、多選題三、多選題.........................................................................................................................................

16、...42四、案例分析四、案例分析........................................................................................................................................44第六章電力系統(tǒng)過電壓.......................................................

17、.....................................................................45一、單選題一、單選題...........................................................................................................................................

18、.45二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）................................................................................................47三、多選題三、多選題...............................................................................

19、.............................................................47第七章繼電保護(hù)自動(dòng)裝置與二次回路....................................................................................................49一、單選題一、單選題.............................

20、...............................................................................................................49二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）.............................................................................

21、...................55三、多選題三、多選題............................................................................................................................................58四、案例分析題四、案例分析題.................................

22、...................................................................................................59第八章電氣安全技術(shù)..............................................................................................................

23、..................60二、判斷題（二、判斷題（為錯(cuò)誤、√為正確）為錯(cuò)誤、√為正確）................................................................................................60三、多選題三、多選題..............................................................

24、..............................................................................60四、案例分析題四、案例分析題..............................................................................................................................

25、......623A、越小B、不變C、越大D、不確定20.通電直導(dǎo)體在磁場(chǎng)中所受力的大小，與其在磁場(chǎng)中的有效長(zhǎng)度（A）。P16A、成正比B、成反比C、無關(guān)系D、以上答案皆不對(duì)21.直導(dǎo)體垂直于磁力線運(yùn)動(dòng)時(shí)，感應(yīng)電動(dòng)勢(shì)e（A）。P16A、最大B、最小C、為0D、不確定22.日常用的交流電是(C)交流電。P18A、正切B、余切C、正弦D、余弦23.在正弦交流電路中，電壓、電流、電動(dòng)勢(shì)都是隨時(shí)間(C)。P18A、非周期性變化的B、恒定不變的C

26、、按正弦規(guī)律變化的D、按余弦規(guī)律變化的24.在正弦交流電的交變過程中，電流的最大值隨著時(shí)間的變化（C）。P18A、變大B、變小C、保持不變D、按照正弦交變25.對(duì)于正弦交流電，最大值等于有效值的(B)倍。P19A、1B、C、D、22326.初相位為“負(fù)”，表示正弦波形的起始點(diǎn)在坐標(biāo)原點(diǎn)O點(diǎn)的(B)。P19A、左方B、右方C、上方D、下方27.在直流電路中，電感元件的（C）。P21A、容抗值大于零B、感抗值大于零C、感抗值等于零D、感抗值

27、小于零28.在純電阻電路中，電流和電壓（A）。P21A、同相位B、反相位C、相位差為π2D、相位差為π29.在交流電路中，電容元件的容抗XC和其電容C（A）。P24A、成反比B、成正比C、無關(guān)系D、以上答案皆不對(duì)30.在純電容的交流電路中，電壓的有效值與電流有效值的比值為（D）。P24A、電阻B、阻抗C、感抗D、容抗31.在純電容交流電路中，電路的（C）。P25A、有功功率小于零B、有功功率大于零C、有功功率等于零D、無功功率等于零32

28、.在R、L、C串聯(lián)的交流電路中，阻抗Z的計(jì)算公式為（C）。P26A、B、22)(CLXRXZ???22)(RXXZLc???C、D、22)(CLXXRZ???22LXRZ??33.在R、L、C串聯(lián)的交流電路中當(dāng)XCXL時(shí)，電路呈（C）。P26A、純電阻性質(zhì)B、感抗性質(zhì)C、容抗性質(zhì)D、阻抗性質(zhì)34.在感性負(fù)載交流電路中，采用（D）的方法可提高電路功率因數(shù)。P29A、串聯(lián)電阻B、并聯(lián)電阻C、串聯(lián)電容D、并聯(lián)電容35.三相交流電源作△形連接時(shí)