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Electrical Installation Competences By M.L. Lewis

Electrical Installation Competences
by M.L. Lewis

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The first of three electrical installation books at Part 1 level, which cover topics in the new City and Guilds 236-7 syllabus scheme reflecting competence-based learning. This book covers mechanical and electrical science, and also includes basic electronics.
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Electrical Installation Competences Summary

Electrical Installation Competences: Pt. 1 Studies: Science by M.L. Lewis

As an introduction, Chapter 1 concentrates on terminology to provide an understanding of electrotechnical terms and a mathematical background to support the reading of the other chapters. Chapter 2, "Mechanical Science", attempts to give an awareness of the many different principles and laws associated with physical topics: the simple lever; equilibrium; centre of gravity; linear expansion, etc. Chapter 3, "Electrical Science", commences with basic circuit theory, and aims to develop awareness of the common effects of electric current such as its heating effect; magnetic effect and chemical effect. Other topics such as power factor and efficiency are also discussed. Chapter 4 concentrates on basic electronics, introducing electronic components and semiconductor devices as well as a.c. theory and alternating and digital waveforms. Multiple-choice questions of the type in an examination are given in Appendix 1; Appendix 2 contains short-answer questions. The answers to all these questions and questions in the exercises in the chapters are given in Appendix 3.

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Table of Contents

Part 1 Terminology: definitions of SI and derived units; metric system of measurement; powers of a quantity (indices); useful metric weights and measures; transposition of formulae; mensuration; graphs and charts; ratio, proportion and percentage; BS3939 circuit symbols; miscellaneous terms and symbols; exercise 1. Part 2 Mechanical science: mass, force and weight; Newton's laws of motion; exercise 2.1; vector quantities; equilibrium; principle of moments; density; exercise 2.2; heat, temperature and expansion; gas laws; work, energy and power; simple machines; exercise 2.3. Part 3 Electrical science: basic circuit theory; Ohm's law; resistance factors; resistor connections; resistors in series; resistors in parallel; energy and power; heating effects of electric current; power factor; efficiency; magnetic effects of electric current; simple loop generators; transformers; chemical effects of electric current; secondary cells; exercise 3. Part 4 Electronics: electronic components; resistors; capacitors; inductors; semiconductor devices diode; light emitting diodes; photodiode; transistor; thyristor; diacs and triacs; thermistor; integrated circuit - alternating current waveforms; exercise 4. Appendix 1: Multiple choice questions. Appendix 2: Short answer questions. Appendix 3: Answers.

Additional information

Electrical Installation Competences: Pt. 1 Studies: Science by M.L. Lewis
M.L. Lewis
Electrical Installation Competences
Used - Very Good
Oxford University Press
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us.