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An air conditioner using R134a as the working fluid operates on an ideal vapour compression system...

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Mechanical Engineering

  1. An air conditioner using R134a as the working fluid operates onan ideal vapour compression system between 0.3 and 0.8 MPa. If thespecified capacity for air conditioning is 20 kW. What would be itscapacity for food freezing for which the evaporator temperature-20oC. Show the cycle on a PH diagram and explain theeffect of the changes to the compressor and condenserrespectively.

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