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Heat : Heat is not state of the material , it's the transfer of Energy Caused By Temperature Difference .When heat is passed from one body to another the internal energy of the bodies Change.
Heat is Energy in Transit. Recall the First law from Thermodynamics. ∆U = Q – W
Stored Internal Energy : Is the amount of Energy Processed By Substance it Can Be Considered to be the total molecular Energy of Body
Heat Transfer : Heat transfer is the transfer of Heat effected by a temperature difference
Latent Heat Of Vaporization : when matter changes from liquid to vapor or vice versa, it absorbs or releases a relatively large amount of heat without a change in temperature.(970 Btu)
British Thermal Unit " BTU" : Is the quantity of heat needed to raise the temperature of 1 lb. of water one degree Fahrenheit.
Specific heat :- Amount of heat needed to increase the temperature of a pound of a particular substance 1f ( the unit specific heat is BTU per pound per degree Fahrenheit ( BTU/lb/f ) .
Latent heat :- Heat transfer can occur with no temperature change taking place this heat transfer is referred to as latent heat transfer .latent heat transfer results in phase change , that is a substance changes from solid to liquid , liquid to solid , liquid to gas or gas to liquid .
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TABLES OF CONTENTS:
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- Introduction
- CV Preparation Method
- Interview Stages
- Main Academic Subjects
- Plant Equipment Over View
- Units Measurements
- Important Abbreviations
- Important Definitions
- Multiple Choice Questions
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