Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia is absorbed in water Ammonia evaporates in hydrogen Ammonia is absorbed in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in water Ammonia evaporates in hydrogen Ammonia is absorbed in hydrogen Hydrogen evaporates in ammonia 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 24 hours In 1 hour In 12 hours In 1 minute In 24 hours In 1 hour In 12 hours 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.)R + 1 O.P.)P = ( O.P)P = ( ( ( ( O.P.)P = ( O.P.)R + 2 O.P)R - 1 O.P)P = ( O.P)R ( O.P.)R + 1 O.P.)P = ( O.P)P = ( ( ( ( O.P.)P = ( O.P.)R + 2 O.P)R - 1 O.P)P = ( O.P)R ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant CO2 Air Freon-22 Freon-11 CO2 Air Freon-22 Freon-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 50 to 70°C 20 to 50°C None of these 70 to 110°C 50 to 70°C 20 to 50°C None of these 70 to 110°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during cooling and dehumidification Increases Remains constant Decreases None of these Increases Remains constant Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
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