Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It gives higher coefficient of performance It has low operating pressures All of these It is miscible with oil over large range of temperatures It gives higher coefficient of performance It has low operating pressures All of these It is miscible with oil over large range of temperatures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Reduced ambient air cooling system Simple air cooling system Bootstrap air cooling system Regenerative air cooling system Reduced ambient air cooling system Simple air cooling system Bootstrap air cooling system Regenerative air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration system Removes heat from a low temperature body and delivers it to a high temperature body Rejects energy to a low temperature body None of the listed here Removes heat from a high temperature body and delivers it to a low temperature body Removes heat from a low temperature body and delivers it to a high temperature body Rejects energy to a low temperature body None of the listed here Removes heat from a high temperature body and delivers it to a low temperature body ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature, pressure and enthalpy Specific volume and enthalpy Temperature and enthalpy Temperature, pressure, specific volume and enthalpy Temperature, pressure and enthalpy Specific volume and enthalpy Temperature and enthalpy Temperature, pressure, specific volume and enthalpy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when It is not affected by the moisture present in the air None of these The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air None of these The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Inflammable Non-inflammable and toxic Nontoxic and non-inflammable Toxic Inflammable Non-inflammable and toxic Nontoxic and non-inflammable Toxic ANSWER DOWNLOAD EXAMIANS APP