Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Freon-22 CO2 Air Freon-11 Freon-22 CO2 Air Freon-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-explosive Non-flammable High boiling point Non-toxic Non-explosive Non-flammable High boiling point Non-toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called High side float valve Thermostatic expansion valve Automatic expansion valve Low side float valve High side float valve Thermostatic expansion valve Automatic expansion valve Low side float valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C 50 to 70°C 20 to 50°C None of these 70 to 110°C 50 to 70°C 20 to 50°C None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Sulphur dioxide Carbon dioxide Lithium bromide R-12 Sulphur dioxide Carbon dioxide Lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature, pressure, specific volume and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature and enthalpy Temperature, pressure, specific volume and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature and enthalpy ANSWER DOWNLOAD EXAMIANS APP
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