A mercury thermometer left on a table for a long time indicates a room temperature of 75°F. The following data was obtained when abruptly immersed in an oil bath at 400°F. Find the time constant of the thermometer. 1 (s) 2.5 5 8. 10 15 30 T(°F) 75 107 140 205 244 282 328 385

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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A mercury thermometer left on a table for a long time indicates
a room temperature of 75°F. The following data was obtained when
abruptly immersed in an oil bath at 400°F. Find the time constant of
the thermometer.
1(s)
(1
2.5
8.
10
15
30
T ('F)
75
107
140
205
244
282
328
385
Transcribed Image Text:A mercury thermometer left on a table for a long time indicates a room temperature of 75°F. The following data was obtained when abruptly immersed in an oil bath at 400°F. Find the time constant of the thermometer. 1(s) (1 2.5 8. 10 15 30 T ('F) 75 107 140 205 244 282 328 385
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