A refrigerator cycle uses R134a as a working fluid, the evaporator and condenser pressures in kPa are (A) and (B), respectively. The degree of superheating and subcooling are (C) and (D). Compressor isentropic efficiency is (E) determine, if the cooling capacity is (F) kW, Find (a) Compressor power (b) Cycle COP (c) Discharge temperature. Act

A refrigerator cycle uses R134a as a working fluid, the evaporator and condenser pressures in kPa are (A) and (B), respectively. The degree of superheating and subcooling are (C) and (D). Compressor isentropic efficiency is (E) determine, if the cooling capacity is (F) kW, Find (a) Compressor power (b) Cycle COP (c) Discharge temperature. Act

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 2RQ: The operating condition for the single compressor in a household refrigerator is the lowest box...

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Question

A=164

b=1017

c=0

d=0

e=0.75

F=25

1- A refrigerator cycle uses R134a as a working fluid, the evaporator and
condenser pressures in kPa are (A) and (B), respectively. The degree of
superheating and subcooling are (C) and (D). Compressor isentropic
efficiency is (E) determine, if the cooling capacity is (F) kW, Find (a)
Compressor power (b) Cycle COP (c) Discharge temperature.
Activate W

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