Refrigeration and Air Conditioning A good refrigerant should have Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point High latent heat of vaporisation and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Carbon dioxide is Colourless All of the listed here Non-flammable Odourless Colourless All of the listed here Non-flammable Odourless ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Carnot Stirling Ericson Bell Coleman Carnot Stirling Ericson Bell Coleman ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Requires little power consumption Gives noisy operation Gives quiet operation Cools below 0°C Requires little power consumption Gives noisy operation Gives quiet operation Cools below 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Ammonia Water Aqua-ammonia Freon Ammonia Water Aqua-ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. Less than Equal to None of these Greater than Less than Equal to None of these Greater than ANSWER DOWNLOAD EXAMIANS APP