Friday, March 1, 2024
Thursday, January 11, 2024
Sunday, September 24, 2023
Tuesday, May 16, 2023
Monday, October 14, 2024
Sunday, July 21, 2024
问题:在易燃、易爆场所带电作业时,只要注意安全,防止触电,一般不会发生危险。
Thursday, November 23, 2023
Monday, December 18, 2023
问题:安装调整碳刷时,其电刷接触面应与()的弧度相吻合,接触面积不应小于单个碳刷截面积的()
Monday, June 3, 2024
问题:电气设备的操作状态分为()状态,()状态,()状态,()状态。
Friday, September 16, 2022
Friday, September 16, 2022
Friday, June 7, 2024
问题:电压互感器的误差与二次回路的阻抗有关,并伴随着阻抗值的变化在()A、阻抗值增大时,误差减少B、阻抗值减少时,误差随之增大C、阻抗值增大、减小都超出一定值后,误差才超出规定。
Thursday, November 23, 2023
Tuesday, October 10, 2023
问题:在带电的电压互感器二次回路上工作时,应采取什么安全措施?
Wednesday, October 11, 2023
问题:按照倒闸操作的基本要求,停电拉闸的操作顺序是()、()、()送电时与此()
Friday, September 6, 2024
Monday, June 3, 2024
Saturday, December 17, 2022
Wednesday, October 18, 2023
Sunday, July 21, 2024