General Engineering Science in SI Units - 1st Edition - ISBN: 9780080158068, 9781483181448

General Engineering Science in SI Units

1st Edition

In Two Volumes

Authors: G. W. Marr
Editors: N. Hiller
eBook ISBN: 9781483181448
Imprint: Pergamon
Published Date: 1st January 1971
Page Count: 230
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General Engineering Science in SI Units, Volume 2 covers the Engineering Science content of the General Course in Engineering, corresponding mainly to the requirements of the syllabus for the second year of a two-year course. This book discusses the resultant of a number of coplanar, concurrent forces; average velocity during uniformly accelerated motion; Newton's first law of motion; and graphical representation of the work done by a variable force. The load-extension graphs for brittle materials; coefficient of linear expansion of a solid; and electromotive force and potential difference are also elaborated. This publication likewise covers the magnetic effect of an electric current; rotation of a coil in a uniform magnetic field; and advantages and limitations of P.M.M.C. instruments. This volume is useful to students during the earlier years of CGLI Technician Courses and other engineering courses.

Table of Contents


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


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


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


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


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


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


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


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


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


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



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© Pergamon 1971
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About the Author

G. W. Marr

About the Editor

N. Hiller