Wednesday, January 22, 2025
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
问题:变压器S9-31500/35其高压侧额定电压为()V额定容量为()KVA。
Wednesday, December 27, 2023
问题:用手试电机温度、振动情况以及探听电机运行声音时,有哪些安全注意事项?
Monday, June 3, 2024
问题:三相鼠笼式异步电动机直接起动,起动电流可以达到额定电流的()倍。
Monday, December 18, 2023
问题:工作票上使用的技术术语不规范,其它内容均符合规定,该工作票属于()。
Friday, November 22, 2024
Monday, October 14, 2024
Tuesday, October 10, 2023
Thursday, January 11, 2024
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
Thursday, January 11, 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, September 4, 2023
Friday, June 23, 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
Wednesday, August 16, 2023
Wednesday, January 22, 2025
Friday, March 1, 2024
Sunday, January 7, 2024