SYLLABUS. osmania university UNIT - I UNIT - II UNIT - III CHAPTER - 1 : ELECTRIC HEATING ELECTRIC WELDING CHAPTER - 2 : CHAPTER - 3 :
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1 i SYLLABUS osmania university UNIT - I CHAPTER - 1 : ELECTRIC HEATING Advantages and Methods of Electric Heating, Description, Operation and Performance of Resistance Ovens, Design of Elements, Core Type Furnace, Coreless Type Furnace, High Frequency Eddy Current Heating, Dielectric Heating, Arc Furnace. CHAPTER - 2 : ELECTRIC WELDING Resistance Welding, Welding Transformer and Its Rating, Various Types of Electric Arc Welding and Electric Resistance Welding. UNIT - II UNIT - III CHAPTER - 3 : SCHEMATIC AND CONNECTION DIAGRAM FOR MOTOR CONTROL Two Supply Sources for 3-Phase Induction Motors, Direct Reversing, Remote Control Operation, Jogging Operation of Induction Motor, Contactor Control Circuit, Pushbutton Control Stations, Over Load Relays, Limit Switches, Float Switches, Interlocking Methods for Reversing Control, Starting of Synchronous Motor and Motor Protection. CHAPTER - 4 : ILLUMINATION Introduction, Nature and Production of Light, Sensitivity of the Eye, Units of Light, The Inverse Square Law and Cosine Law, Solid Angle, Lighting Calculations, Determination of M.S.C.P, Rousseau s Construction, Discharge Lamps, Sodium Vapour Lamps, Mercury Vapour Lamps, Flourescent Lamps, Starting and Power Factor Corrections, Stroboscopic Effects, Neon Signs, Application to Factory Lighting, Street Lighting and Flood Lighting.
2 ii UNIT - IV CHAPTER - 5 : ELECTRIC TRACTION UNIT - V System of Electric Traction, Transmission of Drive, System of Track Electrification, Traction Mechanics, Speed-Time Curves, Tractive Effort, Power of Traction Motor, Specific energy Consumption, Mechanics of Train Movement, Coefficient of Adhesion. CHAPTER - 6 : TRACTION MOTOR Traction Motor : Desirable Characteristics, D.C Series Motors, A.C Series Motors, 3 Phase Induction Motors, D.C Motor Series and Parallel Control, Shunt Bridge Transition, Energy Saving, Batteries : Lead Acid Batteries, SMF Batteries, Construction and Maintenance, Charging and Rating of Batteries.
3 iii utilization FOR b.e. (o.u) Iv year ii semester (ELECTRICAL AND ELECTRONICS ENGINEERING) CONTENTS UNIT - I [CH. H. - 1] ] [ELECTRIC HEATING] INTRODUCTION ADVANT ANTAGES AND DISADVANT ANTAGES OF ELECTRIC HEATING MODES OF TRANSFER OF HEAT ESSENTIAL REQUIREMENTS OF GOOD HEATING ELEMENT MATERIALS FOR HEATING ELEMENTS CAUSES OF FAILURE OF HEATING ELEMENTS DESIGN OF HEATING ELEMENTS Circular Type Heating Element Ribbon Type Heating Element Solved Problems METHODS OF ELECTRIC HEATING RESISTANCE HEATING Types of Resistance Heating Temperature Control of Resistance Heating Applications of Resistance Heating
4 iv 1.10 ARC HEATING [ARC FURNACE] Electrodes used in the Arc Furnace Types of Arc Furnaces urnaces Power Supply and Control of Arc Furnace Solved Problems HIGH FREQUENCY HEATING TING INDUCTION HEATING Characteristics of Induction Heating Types of Induction Furnaces Core Type Furnace Coreless Type Furnace Solved Problems Advantages of Induction Heating Disadvantages of Induction Heating Applications of Induction Heating HIGH FREQUENCY EDDY Y CURRENT HEATING Advantages of Eddy Current Heating Disadvantages of Eddy Current Heating Applications of Eddy Current Heating Solved Problems DIELECTRIC HEATING Advantages of Dielectric Heating Applications of Dielectric Heating Solved Problems COMPARISON OF HIGH FREQUENCY AND POWER FREQUENCY CORELESS FURNACE Short Questions and Answers Expected University Questions with Answers
5 v UNIT - I [CH. H. - 2] ] [ELECTRIC WELDING] INTRODUCTION ADVANT ANTAGES AND DISADVANT ANTAGES OF WELDING ELECTRIC WELDING Methods (or) Classification of Electric Welding Selection of Proper Welding Process RESISTANCE WELDING Types of Resistance Welding Spot Welding elding Seam Welding Projection Welding Butt Welding elding Advantages of Resistance Welding Disadvantages of Resistance Welding elding Applications of Resistance Welding CHOICE OF WELDING TIME ELECTRIC ARC WELDING Characteristics of Electric Arc Electric Arc Welding Equipments Types of Electric Arc Welding Carbon Arc Welding Metal Arc Welding Welding Transformer and Its Rating Comparison of A.C and D.C Arc Welding ELECTRON BEAM WELDING Advantages of Electron Beam Welding Disadvantages of Electron Beam Welding Applications of Electron Beam Welding elding
6 vi 2.8 REQUIREMENTS OF A GOOD WELD COMPARISON OF RESISTANCE AND ARC WELDING WELDING TRANSFORMER AND ITS RATING ADVANT ANTAGES OF ELECTRIC WELDING DISADVANT ANTAGES OF ELECTRICAL WELDING APPLICATIONS OF ELECTRIC WELDING Short Questions and Answers Expected University Questions with Answers UNIT - II [CH. H. - 3] ] [SCHEMATIC AND CONNECTION DIAGRAM FOR MOTOR CONTROL] INTRODUCTION CONTACT CTOR OR CONTROL CIRCUIT COMPONENTS Push Button Push Button Control Stations Contactors Over Load Relays (OLR) Fuses Limit Switches (or) Over Travel Switch Float Switches TWO SUPPLY Y SOURCES OF A THREE-PHASE INDUCTION MOTOR OR DIRECT REVERSING OF A THREE-PHASE INDUCTION MOTOR OR REMOTE CONTROL OPERATION OF AN INDUCTION MOTOR OR INTERLOCKING METHODS FOR REVERSING CONTROL Types of Interlocking Methods Push Button Interlocking Auxiliary Contact Interlocking
7 vii 3.7 JOGGING (OR) INCHING OPERATION OF INDUCTION MOTOR OR STAR ARTING OF SYNCHRONOUS MOTOR OR Short Questions and Answers Expected University Questions with Answers UNIT - III [CH. H. - 4] ] [ILLUMINATION ILLUMINATION] INTRODUCTION NATURE OF LIGHT Complete Spectrum Unit of Wavelength avelength UNITS OF LIGHT SENSITIVITY OF THE HUMAN EYE Relative Sensitivity TERMS USED IN ILLUMINA UMINATION Solved Problems LIGHTING CALCULATIONS Plane Angle Solid Angle Relationship between w and q LAWS WS OF ILLUMINA UMINATION Solved Problems POLAR CURVES AND DETERMINATION TION OF MSCP AND MHCP Rousseau s Construction PRODUCTION OF LIGHT INCANDESCENT LAMP Aging Effects Effect of Voltage Variations Advantages of Incandescent Lamps
8 viii Disadvantages of Incandescent Lamps Filament Dimensions Solved Problems DISCHARGE LAMPS Types of Discharge Lamps amps Advantages of Discharge Lamps Disadvantages of Discharge Lamps Applications of Discharge Lamps NEON DISCHARGE LAMPS SODIUM VAPOUR LAMP Advantages of Sodium Vapour Lamp amp Disadvantages of Sodium Vapour Lamp amp HIGH PRESSURE MERCURY VAPOUR LAMP Advantages of HPMV Lamp Disadvantages of HPMV Lamp FLUORESCENT LAMP Advantages Fluorescent Lamp Disadvantages Fluorescent Lamp STROBOSCOPIC EFFECT SELECTION OF LIGHT SOURCES REQUIREMENTS OF GOOD LIGHTING TYPES OF LIGHTING SCHEMES LIGHTING SYSTEMS INDOOR LIGHTING Factors Affecting Indoor Lighting Methods of Indoor Lighting Calculation Calculation of Illumination Solved Problems
9 ix 4.22 OUTDOOR LIGHTING Design of Outdoor Lighting Street Lighting Flood Lighting Solved Problems Factory Lighting Applications of Factory Lighting Effects of Proper Factory Lighting Types of Reflectors Short Questions and Answers Expected University Questions with Answers UNIT - IV [CH. - 5] ] [ELECTRIC TRACTION] INTRODUCTION ELECTRIC TRACTION Requirements of Ideal Traction System Advantages of Electric Traction Disadvantages of Electric Traction raction REVIEW OF EXISTING ELECTRIC TRACTION SYSTEM IN INDIA SYSTEM OF TRACTION Non-Electric Traction System Electric Traction System SYSTEM OF TRACK ELECTRIFICATION TION COMPARISON OF D.C AND A.C TRACTIONS CTIONS TRANSMISSION OF DRIVE Gearless Drive Geared Drive Brown Boveri Individual Drive
10 x 5.8 TRACTION MECHANICS Units used in Traction Mechanics Speed-Time Curve Typical Speed-Time Curve for different Services Basic Definition used in Speed-Time Curve Factors Affecting Schedule Speed of a Train SIMPLIFIED SPEED-TIME CURVES Analysis of Trapezoidal Speed-Time Curve Solved Problems Analysis of Quadrilateral Speed-Time ime-curve Curve Solved Problems TRACTIVE EFFORT (F t ) Mechanics of Train Movement Tractive Effort Required for Propulsion of Train Power of Traction Motor Solved Problems SPECIFIC ENERGY CONSUMPTION Factors Affecting the Specific Energy Consumption Specific Energy Output Solved Problems DEAD WEIGHT,, ADHESIVE WEIGHT, ACCELERATING WEIGHT AND CO-EFFICIENT OF ADHESION Solved Problems Short Questions and Answers Expected University Questions with Answers UNIT - V [CH. - 6] ] [TRACTION MOTORS AND BATTERIES] INTRODUCTION DESIRABLE CHARACTERISTICS CTERISTICS OF TRACTION MOTOR OR Mechanical Characteristics Electrical Characteristics
11 xi 6.3 TYPES OF TRACTION MOTOR OR D.C SERIES MOTOR OR Solved Problems D.C SHUNT MOTOR OR Solved Problems A.C SERIES MOTOR OR THREE-PHASE INDUCTION MOTOR OR Advantages of Three-Phase Induction Motor Disadvantages of Three-Phase Induction Motor LINEAR INDUCTION MOTOR OR Advantages of Linear Induction Motor Disadvantages of Linear Induction Motor Applications of Linear Induction Motor SYNCHRONOUS MOTOR OR Advantages of Synchronous Motor Disadvantages of Synchronous Motor Applications of Synchronous Motor BRAKING Types of Braking System Mechanical Braking Electric Braking (or) Electrodynamic Braking Types of Electric Braking ENERGY SAVING IN REGENERATIVE BRAKING SOLVED PROBLEMS Traction motor control Control of D.C Motors SERIES AND PARALLEL CONTROL
12 xii 6.14 METHODS OF SERIES PARALLEL CONTROL Solved Problems BATTERIES Types of Batteries Primary Batteries (Non-Rechargeable) Secondary Batteries Advantages of Batteries Disadvantages of Batteries LEAD-ACID ACID BATTERIES Construction of Lead-Acid Battery Working of Lead- ead-acid Battery Chemical Changes in Lead-Acid Batteries Maintenance of Lead Acid Batteries Applications of Lead-Acid Batteries SMF BATTERIES BATTER TTERY Y CHARGING RATING OF BATTER TTERY Y (OR) CAPACITY CITY OF BATTER TTERY Short Questions and Answers Expected University Questions with Answers LATEST UNIVERSITY QUESTION PAPER WITH ANSWERS [April/May ] [New] [Main]... QP QP.6.6 [December ] [Supplementary]...QP QP QP.12
SYLLABUS. osmania university UNIT - I UNIT - II UNIT - III UNIT - IV CHAPTER - 1 : PRINCIPLES OF ELECTRO-MECHANICAL ENERGY CONVERSION CHAPTER - 2 :
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