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1、2017 年上半年重庆省电气工程师发输变电：变压器的运行维护考试试题一、单项选择题（共25 题，每题 2 分，每题的备选项中，只有1 个事最符合题意）1、第三类防雷建筑物防直击雷的措施应在整个屋面组成_。A18m18m 或 22m16m B18m18m 或 22m18m C20m20m 或 24m16m D20m20m 或 24m18m 2、当采用穿管敷设绝缘导线时，按机械强度要求选择的火灾自动报警系统传输线路的最小截面积应不小于_。A0.50mm2 B0.75mm2 C1.00mm2 D0.25mm2 3、采用标幺值计算短路的总阻抗时，_先将元件电抗的有名值和相对值按同一基准容量换算为标幺值
2、，而基准电压采用各元件所在级的平均电压。A宜B可以C必须D不可4、在 TN-C-S 系统中，保护线和中性线从分开点起_再相互相联接。A不允许B可以C应D不宜5、短路电流计算的假设条件不包括（）。A计及发电机、变压器的磁路饱和B负荷只作近似估计C所有短路为金属性短路D短路时系统中各电源仍保持同步6、某建设项目年设计生产能力为8 万台，年固定成本为 1200 万元，产品单台销售价为 1000 元，单台产品可变成本为600 元，单台产品占销售税金及附加为150元，则该项目的盈亏平衡点的产销量为：A48000台B12000 台C30000台D21819台7、电力系统过电压类别有内部过电压和_。A大气过
3、电压B操作过电压C工频过电压D雷电波侵入过电压8、低压系统中电气设备的耐冲击设备分为_类。ABCD9、正常工作条件下的电击防护又称为_。A直接接触电击防护B间接接触电击防护C绝缘防护D距离防护10、大型冷库制冷设备及库房照明应按_要求供电。A一级负荷B一级负荷中特别重要负荷C二级负荷D三级负荷11、电动机的弱磁保护动作整定值，一般按电动机最小励磁工作电流值的_进行整定。A70%B75%C80%D90%12、按工作可靠性由高到低的次序排列下列_方式正确。A(A)双母线单母线单母线分段B(B)3/2 接线双母线单母线分段C(C)双母线分段双母线 4/3 接线D(D)单母线分段变压器母线组接线单母线
4、13、某隐极同步发电机的额定数据为：UN=11kV，PN=3MW，同步电抗 XC=11，Y 接法。若处在额定运行状态时的每相空载电动势E0=8kV，则发电机的功角为（）。（定子电阻忽略不计）A7.18° B12.5° C13.6° D15.4°14、在三相四线制配电系统中，中性线允许载流量不应小于_。A线路中最大不平衡负荷电流，且应计入谐波电流的影响B最大相电流C线路中最大不平衡负荷电流D最大相电流，且应计入谐波电流的影响15、10kV 或 6kV 配电所的引出线宜装设断路器。当满足继电保护和操作要求时，可装设 _。A熔断器文档编码
5、:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6
6、HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 Z
7、L10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档
8、编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T
9、6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9
10、 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9
11、文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9B隔离开关C断路器D带熔断器的负荷开关16、静止油面(油面上为大气)下 3m 深度处的绝对压强为下列哪一项(油的密度为800kg/m3，当地大气压为 100kPa)A3kPa B23.5kPa C102.4kPa D123.5kPa 17、中断供电将造成主要设备损坏，大量
12、产品报废，连续生产过程被打乱需要较长时间才能恢复，重点企业大量减产等，应为_。A一级负荷B二级负荷C三级负荷D一级负荷中特别重要负荷18、若，则 k 等于（）。AA BB CC DD 19、_的说法是正确的。A(A)调节变压器分接头能部分改善系统有功电源不足问题B(B)调节变压器分接头能部分改善系统无功电源不足问题C(C)使用同步调相机能部分改善系统有功电源不足问题D(D)使用同步调相机能部分改善系统无功电源不足问题20、在使用移动式的 _时，应先确认其金属外壳或构架已可靠接地，使用带保护接地极的插座，同时宜装设漏电保护器，禁止使用无保护线插头插座。A0 类设备BI 类设备C类设备D类设备21
13、、低压配电系统的接地型式第一字母代号含义是_。A表示用电装置外露的可导电部分对地关系B表示电力电源系统对地关系C表示工作零线与保护线的组合D表示工作零线与保护线的组合对地关系22、如果图 b 电压源与图 a所示电路等效，则计算U S 和 Ro 的正确算式是：A(A)U S=US+ISR1，Ro=R1R2+R3 B(B)U S=US-ISR1，Ro=R1R2+R3 C(C)U S=US-ISR1，Ro=R1+R3 D(D)U S=US+ISR1，Ro=R1+R3 23、消防控制设备的控制电源及信号回路电压宜采用直流_。A34V B24V 文档编码:CV4H9P5S7T6 HR3K2T4Y5F9
14、ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文
15、档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7
16、T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F
17、9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A
18、9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5
19、S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y
20、5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9C14V D12V 24、屋内布置高压电容器装置宜设置在单独的房间内，当电容器组容量较小时，可设置高压配电室内，但与高压配电装置的距离不应小于_。A1.5m B2m C2.5m D3m 25、设平面 的方程为 3x-4y-5z-2=0，以下选项中错误的是（）。A平面π过点(-1，0，-1)B平面π的法向量为-
21、3i+4j+5k C平面π在 z 轴的截距是D平面π与平面-2x-y-2z+2=0 垂直二、多项选择题（共25 题，每题 2 分，每题的备选项中，有2 个或 2 个以上符合题意，至少有 1 个错项。错选，本题不得分；少选，所选的每个选项得0.5 分）1、冷库电力负荷宜按需要系数法计算，全库总电力负荷需要系数可采用_。A0.40.6B0.50.7C0.550.7D0.70.8 2、需要两回路电源线路的用电单位，_采用同级电压供电。但根据各级负荷的不同需要及地区供电条件，亦可采用不同电压供电。A必须B应C宜D不宜3、在题 2-11 图中，要引入电压并联负反馈，正确连接方法是（）。AC1
22、—N，C2—P，F—B1 BC1—N，C2—P，F—B2 CC1—P，C2—N，F—B1 DC1—P，C2—N，F—B2 4、建设工程总概算由 _组成。A分工程费用B工程建设其他费用C预备费、建设期利息、固定资产投资方向调节税、经营性项目辅底流动资金D服务项目费用5、图示图中，在电阻10上的有功功率为 10W，则总电路功率因数为：()A0.6 B0.5 C0.3 D不能确定6、扩声系统通常由调音台，扬声器系统，节目源，功放，信号处理设备五部分组成，按传
23、输顺序正确排列的是_。文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档
24、编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T
25、6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9
26、 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9
27、文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S
28、7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5
29、F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9A、B、C、D、7、电力系统短路容量为无限大容量，变压器的额定容量为2500kVA，变压器阻抗电压五百分数为8，低压侧额定电压 0.38kV，变压器低压侧出口处的三相短路电流为 _。A40.88kA B48.88kA C45.09kA D54
30、.88kA 8、TN-C 系统适用于 _。A有爆炸和火灾危险的场所B单相负荷比较集中的场所C信息处理设备的场所D三相负荷比较平衡，电路中三次谐波电流不大，并有专业人员维护管理的一般车间等场所9、35kV 及以上供电电压允许偏差，在供电部门与用户产权分界处或在供用电协议所规定的电能计量点处考核，为_。A额定电压的 10%B额定电压的 7%C额定电压的 5%D正、负偏差绝对值之和不超过额定电压10%10、二级负荷的供电系统 _做到当电力变压器或线路发生常见故障时，不致中断供电或中断供电能及时恢复。A应B必须C宜D不可11、在采用需用系数法计算负荷时，求得自然功率因数为0.7，总的有功计算负荷为 7
31、50kW，要求安装无功功率补偿电容器将功率因数补偿到0.9，无功补偿量约为_kvar。A300 B400 C500 D600 12、10(6)kV 变电所中电容器的开关设备及导体等载流部分的长期允许电流，高压电容器不应小于电容器额定电流的_倍，低压电容器不应小于电容器额定电流的 1.5 倍。A1.1B1.2C1.35D2 13、对于实际工业、科学、医疗中应用的电磁辐射设备，要求对应使用单位或个文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3
32、K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10
33、S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:
34、CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 H
35、R3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL
36、10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编
37、码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6
38、 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9人履行 _审批手续。A环境影响评价书B环境影响报告书C环境影响登记表D环境影响报告表14、根据变配电所布置的有关要求，下列做法正确的是_。A高压、低压配电室内，宜留有适当数量配电装置的备用位置B不带可燃的高压配电装置和非油浸式电力变压器不可设置在同一房间内C有人值班的变配电所，应设单独的值班室D布置应紧凑合理，便于设备的操作、维修、巡视和搬运15、16、每层建筑面积超过3000m2的高级旅馆、财贸大厦、电信大厦、展览楼，应为火灾自动报警分级中的_级。A特B一C二D
39、三17、文氏电桥正弦波振荡电路如题2-27 图所示，已知 Rf=120kΩ，运放器具有理想特性。为保证起振，R1 应满足（）。AR1120kΩBR1120kΩCR160kΩDR160kΩ18、以下关于相对地操作过电压允许水平描述正确的有（）。A.500kV（直接接地系统）允许水平为2.0p.u.B.300kV（直接接地系统）允许水平为2.2p.u.C.110220kV（直接接地系统）允许水平为3.0p.u.D.66kV 及以下（非直接接地系统）允许水平为3.5p.u.E.35kV 及以下（低电阻接地系统）允许水平为3.2p.u.19、
40、对消防控制室有 _设计要求。A消防控制室的门应向疏散方向开启，并应在入口处设置明显的标志B消防控制室内应有显示被保护建筑的重点部位，疏散通道及消防设备所在位置的平面图或模拟图等C消防控制室的送、回风管，在其穿墙处应设防火阀D消防控制室内严禁与其无关的电气线路及管道穿过E消防控制室应设两个出口20、剧场防雷应符合现行国家标准 建筑防雷设计规范 GB5005794(2000 版)，按_设防。A一类建筑防雷保护措施B二类建筑防雷保护措施C三类建筑防雷保护措施D不确定21、电流互感器的容量通常表示为_。A(A)电流文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编
41、码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6
42、 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9
43、ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文
44、档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7
45、T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F
46、9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A
47、9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9B(B)电压C(C)VA D(D)阻抗22、下列选项中，属于供配电系统短路电流计算方法的有_。A标幺值法B利用系数法C二项式法D欧姆值法23、生产、销售国家明令淘汰的用能产品的，由有关政府部门责令停业生产，没收违法所得，并处违法所得（）的罚款。A.1 倍B.2 倍C.5 倍D.1 倍以上 5 倍以下24、图中所示曲线表示异步电动机供电频率为f1、f2
48、、f3 时的机械特性曲线组，f1、f2、f3 的关系为（）。Af 1f 2f3 Bf 1f 2f3 Cf 1f3f 2 Df 1f3f 2 25、(2)生产要求必须在车间内安装一台电热器，电气专业应采用_应对方案较为妥当。A因车间内严禁安装电热器，拒绝安装B安装电热器，不必采取特殊措施C将电热器安装在底部通风的木制底座上D将电热器安装在非燃材料的底板上文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9
49、文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S
50、7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5F9 ZL10S6A8Y3A9文档编码:CV4H9P5S7T6 HR3K2T4Y5