A steel tape is 30 meters long at 20 degree Celsius with a pull of 60 N. A rectangular lot is measured using this tape. The sides are recorded as 145 meteres and 113 meters. The average temperature of the tape during measurement is 29.4 degree Celsius with a pull of 60 N.

A steel tape is 30 meters long at 20 degree Celsius with a pull of 60 N. A rectangular lot is measured using this tape. The sides are recorded as 145 meteres and 113 meters. The average temperature of the tape during measurement is 29.4 degree Celsius with a pull of 60 N.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter11: Temperature And Temperature- Related Variables In Engineering

Section: Chapter Questions

Problem 46P

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Temperature Difference and Heat Transfer

Whenever there is a flow of heat flux resulting from a temperature gradient within the material or between two materials, there is heat transfer. Heat transfer primarily arises due to temperature differences between two bodies or within bodies. The term temperature gradient denotes temperature differences or variation of temperature due to change in some quantity. The fundamental use of the concept of temperature is found in the zeroth law of thermodynamics.

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