# Engineering Formulas and Conversions: Best Pocket Guide for Enginers

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Chapter 1
Definition and Abbreviations for Physical Quantities ...........1
Chapter 2
Units of Physical Quantities .................................................3
Chapter 3
System of Units..................................................................23
Chapter 4
General Mathematical Formulae........................................27
4.1 Algebra................................................................................. 27
4.2 Geometry ............................................................................. 29
4.3 Trigonometry ........................................................................ 39
4.4 Logarithm ............................................................................. 40
4.5 Exponents ............................................................................ 42
4.6 Complex Numbers ............................................................... 42
Chapter 5
Engineering Concepts and Formulae ................................44
5.1 Electricity.............................................................................. 44
5.2 Applied Mechanics ............................................................... 57
5.2.1 Newton's laws of motion ..........................................................57
5.2.2 Linear Velocity And Acceleration .............................................60
5.2.3 Force........................................................................................61
5.2.4 Centripetal (Centrifugal) Force.................................................62
5.2.5 Stress, Strain And Modulus Of Elasticity..................................64
5.3 Thermodynamics.................................................................. 64
5.3.1 Laws of Thermodynamics ........................................................64
5.3.2 Momentum...............................................................................65
5.3.3 Impulse ....................................................................................65
5.3.4 Elastic and Inelastic collision ...................................................65
5.3.5 Center of Mass ........................................................................65
5.3.6 Angular Motion.........................................................................65
5.3.7 Conditions of Equilibrium .........................................................65
5.3.8 Gravity .....................................................................................66
5.3.9 Vibrations & Waves .................................................................66
5.3.10 Standing Waves.......................................................................66
5.3.11 Beats........................................................................................66
5.3.12 Temperature and Heat.............................................................67
5.3.13 Ideal Gases..............................................................................67
5.3.14 Elastic Deformation..................................................................68
5.3.15 Temperature Scales ................................................................68
5.3.16 Sensible Heat Equation ...........................................................68
5.3.17 Latent Heat ..............................................................................68
5.3.18 Gas Laws.................................................................................68
5.3.19 Specific Heats Of Gases..........................................................69
5.3.20 Efficiency of Heat Engines .......................................................70
5.3.21 Heat Transfer by Conduction...................................................71
5.3.22 Thermal Expansion of Solids ...................................................72
5.3.23 Chemical Heating Value of a Fuel ...........................................72
5.4 Fluid Mechanics ................................................................... 77
5.4.1 Discharge from an Orifice ........................................................77
5.4.2 Bernoulli’s Theory ....................................................................78
5.4.3 Actual pipe dimensions............................................................78
Chapter 6
References.........................................................................80
6.1 Periodic Table of Elements .................................................. 80
6.2 Resistor Color Coding .......................................................... 81