Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Otto cycle Reversed Carnot cycle Reversed Joule cycle Reversed Rankine cycle Reversed Otto cycle Reversed Carnot cycle Reversed Joule cycle Reversed Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 CO2 NH3 Freon-12 Freon-22 CO2 NH3 Freon-12 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: 9 1: 3 1: 1 9: 1 1: 9 1: 3 1: 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pressure of water vapour is given by μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP