An adiabatic heat exchanger is used to heat cold water at 15°C enteri – McqOptions

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1.	An adiabatic heat exchanger is used to heat cold water at 15°C entering at a rate of 5 kg/s by hot air at 90°C entering also at rate of 5 kg/s. If the exit temperature of hot air is 20°C, the exit temperature of cold water is
A.	27°C
B.	32°C
C.	52°C
D.	85°C
Answer» C. 52°C

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