1) In a beer factory, the waste water is being heated by a heat exchanger. The temperature of the heating water is 45 ᵒC and its flow rate is 25 m3/h. The inlet temperature of waste water recorded as 10 ˚C and its flow rate is 30 m3/h.


a) Calculate K and τ values for this heating system.
b) If the temperature of heating water is increased to 55 ᵒC at t=0, what will be the response equation of the output variable, y(t)=?
c) What will be outlet temperature of waste water at 5. hour?


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