QI/ Refrigeration unit using R-134a as shown in figure below contains two compressors and two evaporators . the first evaporator is used for getting low temperature operate with temperature of (-20C)...

Extracted text: QI/ Refrigeration unit using R-134a as shown in figure below contains two compressors and two evaporators . the first evaporator is used for getting low temperature operate with temperature of (-20C) and 20 ton refrigeration capacity, the second evaporator is use for cooling air purpose operate with temperature of (10°C) and 10 ton. condensing temperature is (40°C), calculate 1. Power required 2. C.O.P Condenser Evaporator - II Compressor II Quu Compressor - I Evaporator - I W. Qu