Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 3.33 4.33 1.33 2.33 3.33 4.33 1.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? NH3 CO2 Freon-22 Freon-12 NH3 CO2 Freon-22 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Equal to Less than Greater than None of the listed here Equal to Less than Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic vapour compression refrigerator, the refrigerant commonly used is CO? Ammonia All of these R-12 CO? Ammonia All of these R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air conditioning means All of these Heating Cooling Dehumidifying All of these Heating Cooling Dehumidifying ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is All of these Low boiling point High critical temperature High latent heat of vaporisation All of these Low boiling point High critical temperature High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
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