Thursday, September 15, 2022
Sunday, June 18, 2023
在活塞式冷水机组中,制冷系统必须由冷凝器、蒸发器、节流装置和()...
Monday, September 12, 2022
Thursday, September 15, 2022
常用的热力膨胀阀可以分为内平衡式和()式两种。A、恒压;B、背压;C、外平衡;...
Sunday, June 18, 2023
目前空气过滤器按过滤效率分为()过滤器、中效过滤器、高效过滤器等多种类型....
Wednesday, May 8, 2024
下列选项中引起压缩机排气温度增高的为:()A、吸气温度降低B、负荷降低C、不凝性气体混入D、压缩比下降...
Monday, February 5, 2024
实际制冷系数是()。A、制冷装置耗功量/蒸发器吸热量B、与A相反C、制冷装置耗功量/冷凝器排热量D、与C相反...
Monday, February 5, 2024
Wednesday, March 1, 2023
风机盘管机组是空调系统中末端装置,主要由()和箱体组成。A、风管B、风机C、盘管D、凝水管...
Sunday, October 1, 2023
Monday, September 12, 2022
Thursday, September 15, 2022
氟利昂用卧式壳管式冷凝器壳体采用钢质材料,壳体内冷却管采用铜质或()材料...
Friday, October 6, 2023
Monday, September 12, 2022
Monday, September 12, 2022
Thursday, September 15, 2022
()不会导致活塞式制冷压缩机结露。A、蒸发压力异常,供液量过大B、排气压力过高C、氟液被吸入气缸D、在正常蒸发压力下,压缩机吸气温度过低。...
Monday, September 18, 2023
Sunday, June 18, 2023
变频器的频率范围是指变频器输出的最高频率和最低频率,通常()。A、最低频率为0.1~1HzB、最低频率为10~20HzC、最高频率为100~200HzD、最高频率为50~100Hz...
Friday, October 6, 2023
Thursday, September 15, 2022