When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by

A Operating the machine at higher speeds
B Operating the machine at lower speeds
C Raising the higher temperature
D Lowering the higher temperature

Correct Answer: Lowering the higher temperature

When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Lowering the higher temperature
Bissoy MCQ
#Mechanical Engineering #Refrigeration and Air Conditioning

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