【单选题】
《供电服务规范（GB/T28583-2012）》规定，供电企业对执行两部制大工业电价用户以及执行功率因数调整电费用户的抄表周期一般不宜大于【】。___
A. 本个月
B. 一个月
C. 25天
D. 28天
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答案
B
解析
暂无解析
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【单选题】
紧线操作时，有一定的过牵引长度，为了安全，一般规定导线过牵引长度应不大于【】，同时，导线的安全系数大于2。___
A. 100mm
B. 200mm
C. 300mm
D. 400mm
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《国家电网公司供电服务质量标准》规定：在电力系统正常状况下，10千伏及以下三相供电的，供电企业供到用户受电端的供电电压允许偏差为标称电压的【】。___
A. ±7％
B. +7％
C. +10％
D. ±10％
【单选题】
具有用电检查资格的供电所人员对供电区域内的客户安全用电检查中发现问题时应以【】形式通知客户，并督促限期整改。___
A. 口头
B. 书面
C. 电话
D. 口头、书面、电话
【单选题】
施工单位按标准要求竣工自验收合格，相关资料收集齐全后填写客户电气安装竣工检验申请表，由【】组织人员验收。___
A. 施工单位
B. 供电公司
C. 设备供货单位
D. 客户
【单选题】
《国家电网公司供电服务规范》中规定，处理客户投诉应以【】和法律为依据，以维护客户的合法权益和保护国有财产不受到侵害为原则。___
A. 确切证据
B. 公证词
C. 证明
D. 事实
【单选题】
安装在配电变压器高压侧的10kV跌落式熔断器主要用以保护【】。___
A. 低压设备故障
B. 10kV架空配电线路不受配电变压器故障影响
C. 低压线路故障
D. 高压线路故障
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