Refrigeration and Air Conditioning A good refrigerant should have High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point Low C.O.P. and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Wet vapour region None of the listed here Superheated vapour region Sub-cooled liquid region Wet vapour region None of the listed here Superheated vapour region Sub-cooled liquid region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capacity of a domestic refrigerator is in the range of 0.1 to 0.3 TR 3 to 5 TR 5 to 7 TR 1 to 3 TR 0.1 to 0.3 TR 3 to 5 TR 5 to 7 TR 1 to 3 TR ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up Room sensible heat load only Room latent heat load only Both room sensible heat and latent heat loads None of the listed here Room sensible heat load only Room latent heat load only Both room sensible heat and latent heat loads None of the listed here 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 4 43834 3 43833 4 43834 3 43833 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Relative humidity remains constant Wet bulb temperature increases Partial pressure of vapour remains constant Specific humidity increases Relative humidity remains constant Wet bulb temperature increases Partial pressure of vapour remains constant Specific humidity increases ANSWER DOWNLOAD EXAMIANS APP