Tuesday, February 6, 2024
问题:气体的压缩过程有等温压缩、等熵压缩和多变压缩三种,其中()过程耗功最少。A、等温压缩B、等熵压缩C、多变压缩
Saturday, April 27, 2024
Monday, January 23, 2023
Saturday, April 27, 2024
Friday, April 19, 2024
Tuesday, November 28, 2023
Saturday, September 10, 2022
Friday, January 5, 2024
Friday, June 9, 2023
Friday, April 19, 2024
Friday, June 9, 2023
Thursday, September 21, 2023
Thursday, September 21, 2023
问题:调速器连轴节断的现象()A、速度指示归零B、机组声音异常C、、振动大D、调节阀全E、流量大幅波动
Saturday, April 27, 2024
Thursday, September 21, 2023
Monday, January 23, 2023
问题:过热蒸汽通过蒸汽透平的喷嘴时,其流速()。A、增大B、降低C、不变
Monday, January 23, 2023
Tuesday, April 18, 2023
问题:当供给压缩机透平的蒸汽量不足或蒸汽的压力及温度下降时,如果离心式压缩机出口压力不变,压缩机发生喘振的可能性()。A、增大B、减少C、不变
Thursday, September 21, 2023
Friday, January 5, 2024