What is the best coefficient of performance for a refrigerator that cools an environment at –R, °C and has heat transfer to reservoir at 150.0°C? (b) How much work in joules must be done for a heat transfer of 4186 kJ from the cold environment? (c) What is the cost of doing this if the work costs 0.1 Rs per 3.60 x 10° J (a kilowatt-hour)? (d) How many kJ of heat transfer occurs into the warm environment? where, R, is last two digits of registration no. (e.g. for registration no. 11603309 take R, as 9 °C
What is the best coefficient of performance for a refrigerator that cools an environment at –R, °C and has heat transfer to reservoir at 150.0°C? (b) How much work in joules must be done for a heat transfer of 4186 kJ from the cold environment? (c) What is the cost of doing this if the work costs 0.1 Rs per 3.60 x 10° J (a kilowatt-hour)? (d) How many kJ of heat transfer occurs into the warm environment? where, R, is last two digits of registration no. (e.g. for registration no. 11603309 take R, as 9 °C
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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![What is the best coefficient of performance for a refrigerator that cools an environment at -R, °C and
has heat transfer to reservoir at 150.0°C? (b) How much work in joules must be done for a heat transfer of
4186 kJ from the cold environment? (c) What is the cost of doing this if the work costs 0.1 Rs per 3.60 ×
10° J (a kilowatt-hour)? (d) How many kJ of heat transfer occurs into the warm environment?
where, R, is last two digits of registration no. (e.g. for registration no. 11603309 take R¡ as 9 °C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F58db635a-656c-4a39-b016-e9e56b28983e%2Ffa326649-6d6f-4c4c-a4f1-be654769766e%2F2541tr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:What is the best coefficient of performance for a refrigerator that cools an environment at -R, °C and
has heat transfer to reservoir at 150.0°C? (b) How much work in joules must be done for a heat transfer of
4186 kJ from the cold environment? (c) What is the cost of doing this if the work costs 0.1 Rs per 3.60 ×
10° J (a kilowatt-hour)? (d) How many kJ of heat transfer occurs into the warm environment?
where, R, is last two digits of registration no. (e.g. for registration no. 11603309 take R¡ as 9 °C
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