2) Thermodynamics Electrical Engineering / Mechanical Engineering A Refrigerant

Question

2) Thermodynamics

Electrical Engineering / Mechanical Engineering

A Refrigerant 22 is the working fluid in a vapor refrigeration cycle. It enters the evaporator as saturated liquid at 0 degree C and and leaves the evaporator as a saturated vapor. It is compressed to 10 bars and 40 degree C in a compressor before it enters the condenser, and exits as saturated liquid. The mass flow rate of refrigerant is 3Kg/min. a. Draw schematic and T-S diagrams and label it. b. Calculate the rate of heat transfer in the evaporator in kW. c. Determine the power input to the cycle in kW d. Calculate the coefficient of performance.

Explanation / Answer

my answer is C

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