Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide R-12 Carbon dioxide Lithium bromide Sulphur dioxide R-12 Carbon dioxide Lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. None of the listed here Lower than Same as Higher than None of the listed here Lower than Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigerating machine, heat rejected is _________ heat absorbed. Less than None of these Greater than Equal to Less than None of these Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-explosive High boiling point Non-toxic Non-flammable Non-explosive High boiling point Non-toxic Non-flammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity. 1 kg of dry air 1 m3 of water 1 m3 of dry air 1 kg of wet air 1 kg of dry air 1 m3 of water 1 m3 of dry air 1 kg of wet air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High operating pressures and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High operating pressures and low freezing point High latent heat of vaporisation and low freezing point ANSWER DOWNLOAD EXAMIANS APP