Monday, September 12, 2022
问题:一段出口压力高的原因()。A、一段出口或二段入口气门串气B、一段冷却器效果不好C、四段或三段气缸串气D、二段出口或入口气门串气
Monday, September 12, 2022
Monday, September 11, 2023
Thursday, September 15, 2022
Friday, October 20, 2023
问题:活塞式压缩机单级压缩比以()为宜。A、1.5~2.0B、2.5~3.5C、3.5~5.0D、5.0~6.5
Thursday, September 15, 2022
问题:目前裂解气压缩机10-K-201二段吸入罐凝液加热器的操作温度是()。A、71℃B、65℃C、84℃D、78℃
Monday, September 12, 2022
Monday, September 12, 2022
Friday, September 16, 2022
问题:气缸水平地安装在曲轴的一侧,设计有十字头,安装、检修、维护比较方便的是()压缩机。A、L型B、V型C、卧式D、W型
Thursday, September 15, 2022
Monday, December 19, 2022
问题:判断活塞式压缩机二级排气出口冷却器泄漏的可能原因正确的是()A、一级排气温度下降B、二级排气温度下降C、二级吸气温度下降D、三级吸气温度下降
Thursday, September 15, 2022
Tuesday, February 20, 2024
Friday, September 16, 2022
Thursday, September 15, 2022
Monday, September 12, 2022
问题:一般SS暖管时间为(),HS暖管时间为(),暖管时升压速度为()MPa/min。
Thursday, September 15, 2022
问题:同一种流体,有相变时的对流给热系数比无相变的给热系数值。()A、相同B、小C、大
Wednesday, September 28, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022