问题:真空泵是用于溴冷机抽真空的设备,主要是为抽除机内的()。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 15, 2022
问题:离心式冷水机组,当空调房间负荷减小,蒸发压力降低引起离心压缩机(),蒸发器低压控制器动作,使机组运行停止。...
Thursday, September 22, 2022
问题:单选题高低压力控制器在制冷系统中控制的是压缩机的吸气压力和()。A 排气压力B 排气温度C 油泵压力D 油泵的排出压力...
Monday, July 10, 2023
问题:氨制冷系统中压差控制器安装时,必须将控制器两端的高、定压连接准确,不可接反。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
Wednesday, September 14, 2022
问题:压缩机的实际工作循环经过四个过程,它们依次是()。...
Thursday, September 15, 2022
问题:冷却水塔的选用可根据选择曲线图,查找()技术参数确定。...
Thursday, September 15, 2022
Thursday, September 22, 2022
问题:标准节流装置的流量系数是在()下,通过实验取得的。...
Tuesday, September 20, 2022
问题:立式蒸发器有直立式和螺旋管式两种。当蒸发()相同时,后者比前者结构紧凑,体积小。...
Thursday, September 22, 2022
问题:空调器用遥控器开机无反映的原因主要有室内机内的接收器接触不良造成。...
Thursday, September 22, 2022
问题:从防火防烟观点出发,空调系统最好不用风道,而采用全水系统。...
Wednesday, September 14, 2022
问题:分体式空调器(冷气机)电路系统中,运转电容器跨接于压缩机哪两点之上()注:C为公共点;S为起动接点;M(R)为运转接点。...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:在氨泵供液制冷系统中,是依靠液面控制器或浮球阀来控制低压循环贮液器内液面高度的,其值应稳定在(),最高不超过50%。...
Thursday, September 22, 2022
问题:制冷设备测量系统压力的仪表,取压力信号的安装接口,应设置在()管段。...
Thursday, September 15, 2022