Answered: b) A thermometer having a time constant…

b) A thermometer having a time constant of 1 min is initially at 50 °C. It is immersed in a bath maintained at 100 °C at time = 0. Express temperature in ºC at time = 1.2 min

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

b) A thermometer having a time constant of 1 min is initially at 50 °C. It is immersed
in a bath maintained at 100 °C at time = 0. Express temperature in °C at time =
min
1.2

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