Refrigeration and Air Conditioning The freezing point of R-12 is -107.7°C -86.6°C -95.2°C -135.8°C -107.7°C -86.6°C -95.2°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Cooling and dehumidification Heating and humidification Humidification Dehumidification Cooling and dehumidification Heating and humidification Humidification Dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Sub-cooling or under-cooling Normal cooling Super-cooling None of the listed here Sub-cooling or under-cooling Normal cooling Super-cooling None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Compressor Condenser Expansion valve Evaporator Compressor Condenser Expansion valve Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system None of these Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load Is suitable only for constant load systems None of these Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load Is suitable only for constant load systems ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 24 hours In 12 hours In 1 hour In 1 minute In 24 hours In 12 hours In 1 hour In 1 minute ANSWER DOWNLOAD EXAMIANS APP