Refrigeration and Air Conditioning A refrigerant compressor is used to Circulate the refrigerant through the refrigerating system All of these Raise the temperature of the refrigerant Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system All of these Raise the temperature of the refrigerant Raise the pressure of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Heating and humidification Humidification Dehumidification Cooling and dehumidification Heating and humidification Humidification Dehumidification Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 5 0.2 1.2 6 5 0.2 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Near critical pressure Much above critical pressure Much below critical pressure Critical pressure of refrigerant Near critical pressure Much above critical pressure Much below critical pressure Critical pressure of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system Regenerative air cooling system Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP