问题:溴化锂吸收式制冷机是以水为制冷剂,溴化锂溶液为吸收。...
Thursday, September 12, 2024
Thursday, September 15, 2022
问题:一般新制冷系统制冷剂的第一次充注量是多少?压缩机初期运转应注意什么?...
Sunday, July 28, 2024
Thursday, September 15, 2022
问题:为提高溴冷机热交换设备的热交换效果,常在溴化锂溶液中加入的表面活...
Thursday, September 15, 2022
问题:机组就位前,须在基础支承面上放一块比机组底脚稍大一定厚度的(),...
Thursday, September 15, 2022
问题:单位时间内,由制冷机蒸发器中的制冷剂所移走的热量称为()...
Thursday, September 15, 2022
问题:在离心式氨泵加油操作中,氨泵轴承两端油杯的油量,应每周检查一次,...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:温度控制器差动值一般为3~5℃,太大、太小的弊端是()。...
Thursday, September 15, 2022
问题:冷冻机油进入曲轴箱,其高度应为视油镜的()。A、1/6B、1/4C、1/2D、下部E、1/3F、中部...
Tuesday, October 15, 2024
Monday, September 12, 2022
问题:R410A制冷剂是由R134a和R125两种成分构成的。...
Thursday, November 17, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:空调器安装或维修时,连接管路超过标准长度时,每加长一米,应根据连接管气管的规格追加制冷剂,当气管规格为Φ19.05mm时,应追加制冷剂60克。...
Thursday, September 12, 2024
问题:将制冷系统中不能在冷凝器中液化的气体分离掉的设备是()。...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:多级离心式压缩机是在同一根轴上装()工作叶轮形成的。...
Thursday, September 15, 2022
Thursday, September 15, 2022