Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Theoretical C.O.P.)/ (Actual C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Higher in winter than in summer Lower in winter than in summer Not dependent on season Same in winter and summer Higher in winter than in summer Lower in winter than in summer Not dependent on season Same in winter and summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 + B.P.F. 1/ B.P.F. 1 - B.P.F. P.F. - 1 1 + B.P.F. 1/ B.P.F. 1 - B.P.F. P.F. - 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 40% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 100% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 100% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? High risibility with oil Large latent heat Low boiling point Good electrical conductor High risibility with oil Large latent heat Low boiling point Good electrical conductor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-flammable High boiling point Non-explosive Non-toxic Non-flammable High boiling point Non-explosive Non-toxic ANSWER DOWNLOAD EXAMIANS APP
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