Engineering, 15.06.2021 17:30 Ashtree519
A refrigerator uses refrigerant Ammonia as the working fluids and operates between evaporating and condensing temperature of -16 degree and 40 degree. The vapor is a dry saturated at the compressor inlet and leaves the condenser at temperature of 34degree. If the mass flow rate of the refrigerant is 0.05 kg/s, determine;
(i) The refrigerating effect
(ii) The power input
(iii) The heat rejected by the refrigerant
(iv) COPref
Answers: 2
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