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4. A manufacturing engineer claims that a concentric tube heat exchanger with a heating surface area of 2 m2 could be used to cool the exhaust gases from 300° C to 20° C by using water entering the system at 10°C at the rate of 1500 kg/hr. If the gases flow through the heat exchanger at the rate of 1200 kg/h and the overall heat transfer coefficient is 500 kJ/m2 h °C, prove that his claim is correct. Cp of the exhaust gases is 1.12 kJ/kg °C

4. A manufacturing engineer claims that a concentric tube heat exchanger with a heating surface area of 2 m2 could be used to cool the exhaust gases from 300° C to 20° C by using water entering the system at 10°C at the rate of 1500 kg/hr. If the gases flow through the heat exchanger at the rate of 1200 kg/h and the overall heat transfer coefficient is 500 kJ/m2 h °C, prove that his claim is correct. Cp of the exhaust gases is 1.12 kJ/kg °C

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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4. A manufacturing engineer claims that a concentric tube heat exchanger with a heating surface area of 2 m2 could be used to cool the exhaust gases from 300° C to 20° C by using water entering the system at 10°C at the rate of 1500 kg/hr. If the gases flow through the heat exchanger at the rate of 1200 kg/h and the overall heat transfer coefficient is 500 kJ/m² h °C. prove that his claim is correct. Cpof the exhaust gases is 1.12 kJ/kg °C
Transcribed Image Text:4. A manufacturing engineer claims that a concentric tube heat exchanger with a heating surface area of 2 m2 could be used to cool the exhaust gases from 300° C to 20° C by using water entering the system at 10°C at the rate of 1500 kg/hr. If the gases flow through the heat exchanger at the rate of 1200 kg/h and the overall heat transfer coefficient is 500 kJ/m² h °C. prove that his claim is correct. Cpof the exhaust gases is 1.12 kJ/kg °C
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