问题:常用的寿命评估方法为常规肉眼检查、无损探伤和破坏性检验三级管理法。...
Wednesday, April 26, 2023
Tuesday, June 20, 2023
问题:用人单位与劳动者订立劳动合同时,应当将工作过程中可能产生的()如...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:汽轮机启动过程中,主蒸汽温升速度2—2.5℃/min。...
Saturday, September 17, 2022
问题:汽轮机刚一打闸解列后的阶段中,转速下降很快,这是因为刚打闸后,汽...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:对于强制油循环润滑的风机,应检查油箱的()达到启动要求。A、油质B、油压C、油位D、油温...
Wednesday, April 30, 2025
问题:曲径式汽封有()种。A、梳齿形B、J形C、枞树形D、T形...
Tuesday, August 8, 2023
Tuesday, January 17, 2023
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:主油泵供给调节及润滑油系统用油,要求其扬程---流量特性较()。...
Saturday, September 17, 2022
问题:同一液体在其他条件相同的情况下,被加热时的对流换热系数()被冷却时的对流换热系数。A、大于B、小于C、等于D、差不多...
Thursday, July 10, 2025
Saturday, September 17, 2022
Sunday, December 17, 2023
问题:移动式电动工具的电源线引线长度一般不应超过()米....
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:汽轮机大修后,润滑油泵连续运行8h即可联系检修人员拆除润滑油油管...
Saturday, September 17, 2022
问题:汽轮机低油压保护应在()投入。A、带部分负荷后B、定速后C、冲转前...
Tuesday, April 25, 2023