A cooling machine draws 300 kJ/min of heat to keep the cooled environment at -8 ºC. Calculate the lowest power required to start the machine if the environment that the cooling machine gives heat is at 24 ºC. A-23,13 kJ/min B-43,91 kJ/min C-15,56 kJ/min D-36,23 kJ/min E-46,65 kJ/min
A cooling machine draws 300 kJ/min of heat to keep the cooled environment at -8 ºC. Calculate the lowest power required to start the machine if the environment that the cooling machine gives heat is at 24 ºC. A-23,13 kJ/min B-43,91 kJ/min C-15,56 kJ/min D-36,23 kJ/min E-46,65 kJ/min
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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11- A cooling machine draws 300 kJ/min of heat to keep the cooled environment at -8 ºC. Calculate the lowest power required to start the machine if the environment that the cooling machine gives heat is at 24 ºC.
A-23,13 kJ/min
B-43,91 kJ/min
C-15,56 kJ/min
D-36,23 kJ/min
E-46,65 kJ/min
(Note: This question is Turkish) orginal question:
Bir soğutma makinası soğutulan ortamı -8 ºC’de sıcaklıkta tutabilmek için ortamdan 300 kJ/dak ısı çekmektedir. Soğutma makinasının ısı verdiği ortam 24 ºC sıcaklıkta ise makinayı çalıştırmak için gerekli en düşük gücü hesaplayın.
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