Question:-
A refrigerating machine having coefficient of performance equal to 2 is used to remove heat at the rate of 1200 kJ/min. What is the power required for this machine?
Option (A)
80kW
Option (B)
60kW
Option(C)
20 kW
Option(D)
10 kW
Correct Option:
(D)
Question Solution:
Refrigeration effect = 1200kJ/min = 20kW
W = RE/COP
Power = 20/2 = 10kW
question-answer-faq-9520