Refrigeration and Air Conditioning Freon group of refrigerants are Non-inflammable and toxic Toxic Nontoxic and non-inflammable Inflammable Non-inflammable and toxic Toxic Nontoxic and non-inflammable Inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant temperature Takes place at constant entropy Takes place at constant pressure Involves no change in volume Takes place at constant temperature Takes place at constant entropy Takes place at constant pressure Involves no change in volume ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Large displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures Large displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It has low operating pressures It is miscible with oil over large range of temperatures All of these It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures All of these It gives higher coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Humidification Cooling and dehumidification Dehumidification Heating and humidification Humidification Cooling and dehumidification Dehumidification Heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43833 3 4 43834 43833 3 4 43834 ANSWER DOWNLOAD EXAMIANS APP