In a heating system, cold outdoor air at 78C flowing at a
Chapter 5, Problem 5198(choose chapter or problem)
In a heating system, cold outdoor air at 78C flowing at a rate of 4 kg/min is mixed adiabatically with heated air at 708C flowing at a rate of 3 kg/min. The exit temperature of the mixture is (a) 348C (b) 398C (c) 458C (d) 638C (e) 778C
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