This book is written as par the RTU syllabus for B.Tech 7 semester engineering students.
1. Electric Heating
Objectives, Introduction, Advantages of Electric Heating, Modes of Heat Transfer, Conduction, Convection, Radiation, Different Methods of Electric Heating, Resistance Heating, Resistance Furnaces or Ovens, Properties of a Good Heating Element, Some Heating Alloys, Causes of Failure of Heating Elements, Temperature Control of Resistance Heating, Arc Furnaces, Induction Heating, Core Type or Low Frequency Induction Furnace, Coreless Type or High Frequency Induction Furnace, High Frequency Eddy Current Heating, Advantages of Eddy Current Heating, Demerits, Applications of Eddy Current Heating, Dielectric Heating, Principle of Dielectric Heating, Advantages of Dielectric Heating, Some Applications of Dielectric Heating, Choice of Frequency, Infrared or Radiant Heating, Applications, Advantages, Solved Numericals, Review Questions.
2. Electric Welding
Objectives, Introduction, Electric Welding, Arc Welding, Conditions for Successful Welding, Electric Arc Welding Equipment, Electrical Properties of an Arc, Metallic Arc Welding, Electrodes for Metallic Arc Welding, Advantages of Coated Electrodes, Carbon Arc Welding, Atomic Hydrogen Arc Welding, Shielded Metal Arc Welding, Gas Metal Arc Welding, Gas Tungsten Arc Welding, Submerged Arc Welding, Plasma Arc Welding, Electron Beam Welding, Electro Gas Welding, Electro Slag Welding, Laser Beam Welding, Resistance Welding, Butt Welding, Flash Welding, Spot Welding, Seam Welding, Projection Welding, Choice of System, Comparison between Resistance and Arc Welding, Requirements of a Good Weld, Welding of Various Metals, A.C. Welding Transformer, Review Questions.
3. Illuminations and Light Calculations
Objectives, Introduction, Definitions, Laws of Illumination or Luminance, Polar Curves, Photometry and Photometer, Principle of Simple Photometer, Photometer Heads, Photo Cells (For Photometric Measurements), Incandescent Lamps, Filament Material and Filament Lamp, Halogen Lamp, Electric Discharge Lamp, Types of Discharge Lamp, Sodium Vapour Lamp, Mercury Vapour Lamp, Mercury Vapour Lamp without Choke, Fluorescent Tube or Fluorescent Lamp, Principle of Fluorescent Lamp, Tube Circuit with DC Mains, Stroboscopic Effect of Fluorescent Lamps, Light Calculations, Requirements of Good Lighting, Commercial Lighting, Methods of Lighting Calculations, Industrial Lighting, General Requirements and Types of Installations, Maintenance, Types of Lamps, Street Lighting, Illumination Level, Mounting Height and Types of Lamps for Street Lighting, Flood Lighting, Solved Numericals, Review Questions.
4. Electrolytic Process
Objectives, Introduction, Basic Principle of Electrolysis, Faraday’s Laws of ‘Electrolysis’, Applications of Electrolysis, Electro-deposition, Electroplating, Electro-metallization, Electro-typing, Electro-forming, Electro-facing, Electro-deposition of Rubber, Manufacture of Chemicals, Manufacture of Hydrogen and Oxygen of Electrolysis, Anodizing, Anodized Aluminium, Advantages of Anodizing, Common Applications for Anodized Finishes, Electropolishing, Advantages of Electropolishing, Applications of Electropolishing, Electro-extraction, Electo-extraction of Zinc, Electro-extraction of Aluminium, Applications of Electro-extraction, Electro-refining, Electro-parting or Electro-stripping, Power Supply for Electrolytic Process, Solved Examples, Review Questions.
5. Electric Traction & Means of Supplying Power
Objectives, Introduction, Different Systems of Traction, Steam Engine Drive, Internal Combustion (I.C.) Engine Drive, I.C. Engine Electric Drive, Petrol-electric Traction, Battery Electric Drive, Electric Drive, System of Track Electrification, Direct Current System, Single Phase Low Frequency System, Three Phase A.C. System, The Composite System, Comparison of DC and AC Tractions, Comparison between DC and AC System of Railway Electrification from The Point of View of Main Line and Suburban Line Railway Service, Electric Traction Systems – Power Supply, Transmission Lines to Sub-stations, Sub-stations, Negative Boosters, AC Locomotive, Third Rail, Overhead Line (Catenary), Booster Transformers, Pantographs, Bow Collector, Trolley Collectors, Tramways, Trolleybus, Solved Numericals, Review Questions.
6. Traction Methods & Traction Motor Controls
Objectives, Introduction, Types of Railway Services, Speed-Time and Speed-Distance Curves for Different Services, Speed-Time Curve for Main Lines Service, Speed-Time Curve for Suburban Service, Speed-Time Curve for Urban or City Service, Some Definitions, Factors Affecting The Schedule Speed of a Train, Simplified Speed Time Curves, Mechanism of Train Movement, Adhesive Weight and Coefficient of Adhesion, Driving Axle Code for Locomotives, Tractive Effort, Power Output from The Driving Axle, Specific Energy Consumption, Determination of Specific Energy Output from Simplified Speed-Time Curve, Factors Affecting The Specific Energy Consumption, Important Definitions, Traction Motors, DC Series Motor, DC Shunt Motor, AC Series Motor, Three-Phase Induction Motor, Linear Induction Motor, Synchronous Motor, Traction Motor Control, Control of DC Motors, Series Parallel Control, Braking, Electric Braking, Mechanical Braking, Types of Electric Braking, Plugging, Rheostatic or Dynamic Braking, Regenerative Braking, Solved Numericals, Review Questions.