A sample with initial dry mass of 12.5kg was wetted and dried in a batch drier using hot air. The sample was dried for 1.4min and the wet mass taken at intervals reflected in the table. Time (min) 0 0,4 0,7 1,1 1,3 1,4 Weight (kg) 40 25,8 16,4 13,4 13 13 Choose the correct equilibrium moisture content of this sample. a.0.04 kg water/kg dry solid b.0.08 kg water/kg dry solid c.0.04kg water/kg air d.0.10 kg water/kg air
A sample with initial dry mass of 12.5kg was wetted and dried in a batch drier using hot air. The sample was dried for 1.4min and the wet mass taken at intervals reflected in the table. Time (min) 0 0,4 0,7 1,1 1,3 1,4 Weight (kg) 40 25,8 16,4 13,4 13 13 Choose the correct equilibrium moisture content of this sample. a.0.04 kg water/kg dry solid b.0.08 kg water/kg dry solid c.0.04kg water/kg air d.0.10 kg water/kg air
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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A sample with initial dry mass of 12.5kg was wetted and dried in a batch drier using hot air. The sample was dried for 1.4min and the wet mass taken at intervals reflected in the table.
|
Time (min) |
0 |
0,4 |
0,7 |
1,1 |
1,3 |
1,4 |
|
Weight (kg) |
40 |
25,8 |
16,4 |
13,4 |
13 |
13 |
Choose the correct equilibrium moisture content of this sample.
a.0.04 kg water/kg dry solid
b.0.08 kg water/kg dry solid
c.0.04kg water/kg air
d.0.10 kg water/kg air
d.0.10 kg water/kg air
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