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Q1/If the mercury thermometer is used as a measuring device in a control system. What is the degree of it? And show how to reduce it's time constant? Then, if this thermometer having a time constant of (30 x 106nh) is initially at (560 °C), it is immersed in a bath at (150 °C) at (t=0), determine the indicated temperature at (t=3.5 min). Also, if the thermometer is read a temperature at (t =4.5 min), and then is return to the initial bath, find what will be the temperature reading at (t =6.5 min)?

Q1/If the mercury thermometer is used as a measuring device in a control system. What is the degree of it? And show how to reduce it's time constant? Then, if this thermometer having a time constant of (30 x 106nh) is initially at (560 °C), it is immersed in a bath at (150 °C) at (t=0), determine the indicated temperature at (t=3.5 min). Also, if the thermometer is read a temperature at (t =4.5 min), and then is return to the initial bath, find what will be the temperature reading at (t =6.5 min)?

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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Q1/If the mercury thermometer is used as a measuring device in a control system. What is the degree of it? And show how to reduce it's time constant? Then, if this thermometer having a time constant of (30 x 106nh) is initially at (560 °C), it is immersed in a bath at (150 °C) at (t=0), determine the indicated temperature at (t=3.5 min). Also, if the thermometer is read a temperature at (t =4.5 min), and then is return to the initial bath, find what will be the temperature reading at (t =6.5 min)?
Transcribed Image Text:Q1/If the mercury thermometer is used as a measuring device in a control system. What is the degree of it? And show how to reduce it's time constant? Then, if this thermometer having a time constant of (30 x 106nh) is initially at (560 °C), it is immersed in a bath at (150 °C) at (t=0), determine the indicated temperature at (t=3.5 min). Also, if the thermometer is read a temperature at (t =4.5 min), and then is return to the initial bath, find what will be the temperature reading at (t =6.5 min)?
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