Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A commercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -30°C by rejecting its waste heat to cooling water that enters the condenser at 18°C at a rate of 0.29 kg/s and leaves at 26°C. The refrigerant enters the condenser at 1.2 MPa and 65°C and leaves at 42°C. The inlet state of the compressor is 60 kPa and -34°C and the compressor is estimated to gain a net heat of 430 W from the surroundings. The heat exchanger loses no heat to the environment. 26°C 1 42°C Condenser Expansion valve Evaporator PL Water 18°C (2) 1.2 MPa 65°C 10 W Compressor 60 kPa -34°C Determine the refrigeration load. (Take the required values from saturated refrigerant-134a tables and steam tables.) You must provide an answer before moving on to the next part.) The refrigeration load is kW.

Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A commercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -30°C by rejecting its waste heat to cooling water that enters the condenser at 18°C at a rate of 0.29 kg/s and leaves at 26°C. The refrigerant enters the condenser at 1.2 MPa and 65°C and leaves at 42°C. The inlet state of the compressor is 60 kPa and -34°C and the compressor is estimated to gain a net heat of 430 W from the surroundings. The heat exchanger loses no heat to the environment. 26°C 1 42°C Condenser Expansion valve Evaporator PL Water 18°C (2) 1.2 MPa 65°C 10 W Compressor 60 kPa -34°C Determine the refrigeration load. (Take the required values from saturated refrigerant-134a tables and steam tables.) You must provide an answer before moving on to the next part.) The refrigeration load is kW.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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