Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant decreases increases depends on other factors remains same decreases increases depends on other factors remains same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Raising the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Lowering the higher temperature Raising the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Lowering the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling of air, specific humidity Remains constant Decreases Increases None of the listed here Remains constant Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Three heat exchangers Two heat exchangers One heat exchanger Four heat exchangers Three heat exchangers Two heat exchangers One heat exchanger Four heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like None of these Reversed Carnot cycle Carnot cycle None of these Reversed Carnot cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. None of these Increase Equalize Reduce None of these Increase Equalize Reduce ANSWER DOWNLOAD EXAMIANS APP
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