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31. For a counter-current heat exchanger with T = 80°C, T: = 60°C T: = 50°C and T = 30°C and the temperature difference between the two streams being the same everywhere along z, the direction of flow of the hot fluid, the temperature profile should satisfy %D

31. For a counter-current heat exchanger with T = 80°C, T: = 60°C T: = 50°C and T = 30°C and the temperature difference between the two streams being the same everywhere along z, the direction of flow of the hot fluid, the temperature profile should satisfy %D

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
Section: Chapter Questions
Problem 1.1P
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31. For a counter-current heat exchanger with T = 80°C, T: T 60°C T = 50°C and 30°C and the temperature difference between the two streams being the same everywhere along z, the direction of flow of the hot fluid, the temperature profile should satisfy %3D (a) d²T/dz² > 0 (b) d?T/dz? = 0 (c) d²T/dz² < 0 (d) dT/dz = 0
Transcribed Image Text:31. For a counter-current heat exchanger with T = 80°C, T: T 60°C T = 50°C and 30°C and the temperature difference between the two streams being the same everywhere along z, the direction of flow of the hot fluid, the temperature profile should satisfy %3D (a) d²T/dz² > 0 (b) d?T/dz? = 0 (c) d²T/dz² < 0 (d) dT/dz = 0
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