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90. For a glass, thermal conductivity, density and specific heat are 0.78 W/mK, 2700 kg/m³ and 0.84 kJ/kg K, respectively. The thermal diffusivity of glass in m²/s is (a) 2.91 x 106 (b) 3.44 x 10-7 (c) 2907.7 (d) 3.44 x 104

90. For a glass, thermal conductivity, density and specific heat are 0.78 W/mK, 2700 kg/m³ and 0.84 kJ/kg K, respectively. The thermal diffusivity of glass in m²/s is (a) 2.91 x 106 (b) 3.44 x 10-7 (c) 2907.7 (d) 3.44 x 104

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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90. For a glass, thermal conductivity, density and specific heat are 0.78 W/mK, 2700 kg/m³ and 0.84 kJ/kg K, respectively. The thermal diffusivity of glass in m²/s is (a) 2.91 x 106 (b) 3.44 x 10-7 (c) 2907.7 (d) 3.44 x 104
Transcribed Image Text:90. For a glass, thermal conductivity, density and specific heat are 0.78 W/mK, 2700 kg/m³ and 0.84 kJ/kg K, respectively. The thermal diffusivity of glass in m²/s is (a) 2.91 x 106 (b) 3.44 x 10-7 (c) 2907.7 (d) 3.44 x 104
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