Refrigeration and Air Conditioning One ton of the refrigeration is The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The standard unit used in refrigeration problems The cooling effect produced by melting 1 ton of ice The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The standard unit used in refrigeration problems The cooling effect produced by melting 1 ton of ice 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. P.F. - 1 1 + B.P.F. 1 - B.P.F. 1/ B.P.F. P.F. - 1 1 + B.P.F. 1 - B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines Horizontal and uniformly spaced Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP None of these Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP None of these ANSWER DOWNLOAD EXAMIANS APP
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 3.33 1.33 4.33 2.33 3.33 1.33 4.33 2.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Expansion Compression Condensation Evaporation Expansion Compression Condensation Evaporation ANSWER DOWNLOAD EXAMIANS APP