Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used Perfectly tight vapour seal should be used Bigger cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High critical temperature All of these High latent heat of vaporisation Low boiling point High critical temperature All of these High latent heat of vaporisation Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Lower Higher None of these Same Lower Higher None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Solid and dry ice Ice at 4°C Water at 0°C Mixture of ice and water under equilibrium conditions Solid and dry ice Ice at 4°C Water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant remains same increases decreases depends on other factors remains same increases decreases depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Ammonia Sulphur dioxide R-12 Carbon dioxide Ammonia Sulphur dioxide R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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