In terms of pressure and temperature in the refrigerant in the compressor, what happens to the primary?（）
1、（） is the control of temperature and h
（） is the control of temperature and humidity in a space together with the circulation, filtering and refreshing of the air.ARefrigerationBAir conditioningCVentilationDHeating
2、Indications of （）are loss in power and
Indications of （）are loss in power and irregular running of the engine, high exhaust temperatures of corresponding unite, high local temperatur...
3、The temperature of the refrigerant in
The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.Arefrigerant pressure in the evaporatorBcooling water temperature to the condenserCheat load in the refrigerator compartmentDsolenoid valve in the liquid line
4、Acrobats and gymnasts are in danger of
Acrobats and gymnasts are in danger of hurting themselves in Cirque du Soleil performances because______.A they havent practiced enoughB the equipment is in need of repairsC they perform. risky acts without netsD some are HIV positive
5、The pressure head of a pump is given i
The pressure head of a pump is given in the unit of （）.AkgBMPaCmeter fluid columnDNone of the above is true
6、A pressure drop in the liquid line of
A pressure drop in the liquid line of a refrigeration system may cause（）Athe solenoid valve to seizeBthe compressor to huntCflash gas to form in the liquid lineDthe expansion valve to freeze ope