When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by - Heat Transfer, Refrigeration and Air Conditioning Quiz

Mechanical Engineering : Heat Transfer, Refrigeration and Air Conditioning - Quiz(MCQ)

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

raising the higher temperature

operating the machine at lower speeds

lowering the higher temperature

operating the machine at higher speeds

Correct Answer : Option (C) : lowering the higher temperature

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