Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Zero work input Maximum work input Very little work input Nearly same work input as for vapour compression cycle Zero work input Maximum work input Very little work input Nearly same work input as for vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Ammonia CO2 Freon-22 Freon-11 Ammonia CO2 Freon-22 Freon-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide 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 Kinetic theory of gases Avogadro's hypothesis Newton's law of gases Dalton's law of partial pressures Kinetic theory of gases Avogadro's hypothesis Newton's law of gases Dalton's law of partial pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 9: 1 1: 1 1: 3 1: 9 9: 1 1: 1 1: 3 1: 9 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 NH3 Freon-12 CO2 Freon-22 NH3 Freon-12 CO2 ANSWER DOWNLOAD EXAMIANS APP
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