Sunday, December 10, 2023
Sunday, December 10, 2023
问题:旭阳调试液压站时,需要设定的上限(),下限().偏航伴压刹车的伴压为()
Sunday, February 25, 2024
Sunday, April 14, 2024
问题:钳型电流表的工作原理是()A、静电感应;B、电磁感应;C、趋肤感应
Thursday, December 14, 2023
问题:一般电气设备铭牌上的电压和电流的数值是()A、瞬时值B、最大值C、有效值D、平均值
Tuesday, October 4, 2022
Thursday, May 16, 2024
问题:目前,施工现场的临时用电采用的TN—S接零保护系统,在整个系统中,中性导体和保护导体是严格分开的,即所谓的()和()
Thursday, May 16, 2024
问题:风机布线时应做到()A、拉近节省用线量;B、留余量越多越好;C、平直整齐,穿越金属口时必须套上保护物
Thursday, February 15, 2024
Friday, March 8, 2024
Thursday, February 15, 2024
Sunday, April 14, 2024
Saturday, March 23, 2024
Thursday, May 16, 2024
Friday, March 8, 2024
问题:一经合闸即可送电到工作地点或施工设备的开关和刀闸的操作把手上应悬挂()标示牌A、禁止合闸,线路有人工作;B、禁止合闸,有人工作;C、在此工作
Monday, January 30, 2023
Sunday, April 14, 2024
问题:10千伏及以下的设备不停电时的安全距离为()米。A、0.4;B、0.7;C、1.0
Sunday, February 25, 2024
Thursday, July 20, 2023
Sunday, December 31, 2023