Question: 6 - ) Cold air with a mass flow rate of 1 5 k g / s is to be heated steadly from 1 0

6-) Cold air with a mass flow rate of 15kg/s is to be heated steadly from 10C to 80C in on insulated heat exchanger at 300C and leaves at 120C. Assuming constant spesific heats Determine
The mass flow rate of hot waste air (kg/s)
Heat transfered from the hot air (kw)
6-) Cold air with a mass flow rate of 15kg/s is

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