问题
单项选择题
柱上变压器台架工作,应先断开低压侧的断路器,再断开变压器台架的高压线路的隔离开关或跌落式熔断器,高低压侧验电、接地后,方可工作。若变压器的低压侧无法装设接地线,应()。
A.采用带电作业方式进行
B.采取防感应电的措施
C.采用绝缘遮蔽措施
答案
参考答案:C
柱上变压器台架工作,应先断开低压侧的断路器,再断开变压器台架的高压线路的隔离开关或跌落式熔断器,高低压侧验电、接地后,方可工作。若变压器的低压侧无法装设接地线,应()。
A.采用带电作业方式进行
B.采取防感应电的措施
C.采用绝缘遮蔽措施
参考答案:C
根据句意及首字母提示补全单词。 |
1. In the f______ people will have fewer and fewer cars. 2. My father usually w ___ up early. 3. My brother wants to be an a_______ when he grows up. He hopes to fly to the moon. 4. Mrs. Green always d_______ herself very nicely when she goes to work. 5. He _______ a letter to his father last week. |