A vapor-compression refrigeration system using ammonia as refrigerant is to be used to cool 45,000kg of water from 29C to 18C in five hours. The enthalpies in kJ/kg are as follows: evaporator exit= 1471.6, compressor outlet= 1650, condenser outlet= 410.4.

A vapor-compression refrigeration system using ammonia as refrigerant is to be used to cool 45,000kg of water from 29C to 18C in five hours. The enthalpies in kJ/kg are as follows: evaporator exit= 1471.6, compressor outlet= 1650, condenser outlet= 410.4.

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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Question

Present step by step solution. If EB in to be used, start in System Under Study, then, Fluid Under Study, and draw BED.

A vapor-compression
refrigeration system using
ammonia as refrigerant is to
be used to cool 45,000kg of
water from 29C to 18C in
five hours. The enthalpies in
kJ/kg are as follows:
evaporator exit= 1471.6,
compressor outlet= 1650,
condenser outlet= 410.4.
Calculate the refrigeration
load in TR.
a. 7.962
b. 32.742
c. 5.614
d. 2.245

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