The heat rejection factor (HRF) is given by
The heat rejection factor (HRF) is given by Correct Answer $$1 + \frac{1}{{{\text{C}}{\text{.O}}{\text{.P}}{\text{.}}}}$$
The heat rejection factor (HRF) is given by $$1 + \frac{1}{{{\text{C}}{\text{.O}}{\text{.P}}{\text{.}}}}$$