Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Degree of superheat at exit from the evaporator Temperature of the evaporator Pressure in the evaporator None of these Degree of superheat at exit from the evaporator Temperature of the evaporator Pressure in the evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 210 kJ/min 420 kJ/min 21 kJ/min 620 kJ/min 210 kJ/min 420 kJ/min 21 kJ/min 620 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Maximum work input Zero work input Nearly same work input as for vapour compression cycle Very little work input Maximum work input Zero work input Nearly same work input as for vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will never evaporate Water will evaporate A gas will never liquefy A gas will immediately liquefy Water will never evaporate Water will evaporate A gas will never liquefy A gas will immediately liquefy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? NH3 Freon-22 CO2 Freon-12 NH3 Freon-22 CO2 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have High boiling point Higher critical temperature Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature Tow specific heat of liquid High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
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