In a dairy enterprise, the boiler temperature will be kept constant at 294 K. While the inlet temperature of the saturated liquid water entering the boiler with a flow rate of 5 kg/min is 363 K, it drops to 343 K at the outlet. Calculate the total entropy change for this process.

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A: Given: T1 = 90 oC             T1 = 15 oC Required: Convection coefficient in the pipe hfood =?…

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Q: The liquid food is flowed through an uninsulated pipe at 90 ° C. The product flow rate is 0.4 kg / s…

A: Given DataMass flow rate of food=0.4 kg/s

Q: 8. Problem 2-33 (modified), Davis and Cornwell, Introduction to Environmental Engineering, 6th Ed.:…

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Q: Air enters an electric furnace at 100 kPa and 28°C with a volume flow rate of 22 m/min. At the exit…

A: Given that :At entering P1  =100KPaT1   =28 C  =28+273.15 = 301.15 KQ = 22 m3minAt exit P2  = 100…

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A: Note: Since we are entitled to answer only 3 sub-parts, we’ll answer the first 3 subparts. Please…

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Q: II. Two air flows are mixed to a single flow. One flow is 1.5 kg/s at 20 °C and the other is 2.6…

A: Mass flow rate for first flow m1.=1.5 kg/s Mass flow rate for other flow m2.=2.6 kg/s Temperature…

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Q: A refrigeration system is used to cool water in the evaporator a 6 kg/s of water from 22 ° C to 3°…

A: 1 TR=3.517 kW1 TR=3024 kcal1 kcal=4184 J1 Ton=3024×4184=12652416 J=12652.416 kJ

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Q: A gas refrigeration system using air as the working fluid has a pressure ratio of 5 (see Fig. Q 1).…

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Q: Engine oil flows through a 50 mm diameter tube at an average temperature of 147°C. The flow velocity…

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Q: The liquid food is flowed through an uninsulated pipe at 90 ° C. The product flow rate is 0.3 kg / s…

A: Given DataMass flow rate of food  m=0.3 kg/sSpecific heat of food  Cp=4 KJ/kg.KThermal conductivity…

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