Refrigeration and Air Conditioning One ton of the refrigeration is The cooling effect produced by melting 1 ton of ice The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The cooling effect produced by melting 1 ton of ice The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 6 0.2 5 1.2 6 0.2 5 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 1 minute In 1 hour In 24 hours In 12 hours In 1 minute In 1 hour In 24 hours In 12 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High operating pressures and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P)P = ( O.P)R - 1 ( O.P)P = ( O.P)R O.P.)R + 1 O.P.)P = ( O.P.)P = ( O.P.)R + 2 ( ( ( O.P)P = ( O.P)R - 1 ( O.P)P = ( O.P)R O.P.)R + 1 O.P.)P = ( O.P.)P = ( O.P.)R + 2 ( ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation Low boiling point All of these High critical temperature High latent heat of vaporisation Low boiling point All of these High critical temperature ANSWER DOWNLOAD EXAMIANS APP
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