Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 420 kJ/ min 21 kJ/ min 840 kJ/ min 210 kJ/ min 420 kJ/ min 21 kJ/ min 840 kJ/ min 210 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration cycle is used in Gas liquefaction Domestic refrigerators Air conditioning Commercial refrigerators Gas liquefaction Domestic refrigerators Air conditioning Commercial refrigerators ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid All of these Restriction to refrigerant flow Freezing at the expansion valve Corrosion of steel plates All of these Restriction to refrigerant flow Freezing at the expansion valve Corrosion of steel plates ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Dalton's law of partial pressures Newton's law of gases Kinetic theory of gases Avogadro's hypothesis Dalton's law of partial pressures Newton's law of gases Kinetic theory of gases Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 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 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
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 Perfectly tight vapour seal should be used Smaller cabinet should be used Bigger cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Smaller cabinet should be used Bigger cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
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