General Engineering Science in SI Units

Contents

Preface

Use of Distinguishing Type For Symbols

Drawing Symbols

Section 1. Concurrent Forces


1.1 Introduction


1.2 Resultant of a Number of Coplanar, Concurrent Forces


1.3 Equilibrium of a System of Coplanar, Concurrent Forces


1.4 Experimental Justification of the "Polygon of Forces"


1.5 Resolution of Forces


1.6 Calculation of the Resultant of Two Mutually Perpendicular Forces


1.7 Resultant of Concurrent Forces by Resolution


1.8 Sign Conventions


1.9 Notation For Forces


1.10 Equilibrant'


1.11 Equilibrium


1.12 Equilibrium on A Smooth Inclined Plane

Exercises

Section 2. Velocity and Acceleration


2.1 Motion


2.2 Velocity


2.3 Acceleration


2.4 Distance-Time Graphs


2.5 Velocity-Time Graphs


2.6 Average Velocity During Uniformly Accelerated Motion


2.7 Other Relationships For Uniformly Accelerated Motion


2.8 Acceleration of a Falling Body


2.9 Compounding and Resolution of Velocities


2.10 Relative Velocity


2.11 Angular Velocity


2.12 Relation Between Angular and Linear Velocity

Exercises

Section 3. Force and Motion


3.1 Introduction


3.2 Newton's First Law of Motion: Inertia


3.3 Momentum


3.4 Newton's Second Law of Motion


3.5 Units of Force and Weight


3.6 Mass and Inertia


3.7 Newton's Third Law of Motion


3.8 Experiment—Fletcher's Trolley

Exercises

Section 4. Power and Energy


4.1 Introduction


4.2 Graphical Representation of the Work Done by A Variable Force


4.3 Work Done by A Force Inclined To The Direction of Motion


4.4 Power


4.5 Efficiency


4.6 Torque


4.7 Simple Torsion


4.8 Experiment—Measurement of Brake Or Output Power


4.9 Mechanical Energy

Exercises

Section 5. Strength of Materials


5.1 Introduction


5.2 Elasticity


5.3 Plasticity


5.4 Ductility and Malleability


5.5 Hardness


5.6 Brittleness


5.7 Ultimate Strength


5.8 Complete Load-Extension Graph For A Ductile Material


5.9 Load-Extension Graphs For Brittle Materials


5.10 Factor of Safety

Exercises

Section 6. Heat


6.1 Introduction


6.2 Coefficient of Linear Expansion of a Solid


6.3 Coefficient of Superficial Expansion of a Solid


6.4 Coefficient of Cubical Expansion of Solids and Liquids


6.5 Variation in the Values of Coefficients of Expansion


6.6 Maximum Density of Water


6.7 Coefficient of Cubical Expansion of a Gas


6.8 Charles' Law


6.9 Experimental Verification of Charles' Law


6.10 Boyle's Law


6.11 Experimental Verification of Boyle's Law


6.12 Combination of Boyle's and Charles' Laws


6.13 Standard Temperature and Pressure

Exercises

Section 7. Electricity


7.1 Introduction


7.2 Electromotive Force and Potential Difference


7.3 Energy Expended in An Electric Circuit


7.4 Power in Electric Circuits


7.5 Heat Produced in a Resistor


7.6 Effect of Temperature Change On Resistance


7.7 Temperature Coefficient of Resistance

Exercises

Section 8. Electromagnetism


8.1 Introduction


8.2 Permanent Magnetism


8.3 Magnetic Fields


8.4 Magnetic Effect of An Electric Current


8.5 Magnetic Field of a Current in a Single Circular Loop


8.6 Magnetic Field of a Solenoid


8.7 Forces Between Current-Carrying Conductors


8.8 Force Between Two Long, Parallel Conductors Carrying Current


8.9 Rotation of a Coil in a Uniform Magnetic


8.10 Effects of Magnetic Materials


8.11 Magnitude of the Force Between Two Long Parallel Conductors Carrying Current


8.12 The Ampere


8.13 Force On A Conductor Carrying Current When in a Magnetic Field


8.14 Direction of the Force On A Conductor in a Magnetic Field

Exercises

Section 9. Electromagnetic Induction


9.1 Introduction


9.2 Induced E.M.F.


9.3 Magnitude of An Induced E.M.F.


9.4 Unit of Magnetic Flux


9.5 Direction of Induced E.M.F.: Lenz's Law


9.6 Magnitude of Induced E.M.F.: Flux-Cutting Rule


9.7 Fleming's Right-Hand Rule


9.8 Rotation of a Coil in a Uniform Magnetic Field


9.9 Alternating Quantities


9.10 Effective Value of An Alternating Current: R.M.S. Value


9.11 Mean, Or Average, Value of An Alternating Current Or Voltage

Exercises

Section 10. Ammeters and Voltmeters


10.1 Introduction


10.2 Permanent-Magnet Moving-Coil (P.M.M.C.) Instrument


10.3 Extension of Range


10.4 P.M.M.C. Voltmeters


10.5 Advantages and Limitations of P.M.M.C. Instruments


10.6 Moving-Iron Instruments


10.7 Attraction-Type M.I. Ammeters


10.8 Repulsion-Type Ammeters


10.9 Combination Types


10.10 Moving-Iron Voltmeters

Exercises

List of Tables

Coefficients of Linear Expansion

Temperature Coefficients of Resistance

Common Units, Symbols and Abbreviations

Multiples and Sub-Multiples

Conversion Factors

Common Logarithms

Antilogarithms

Trigonometric Functions