DI03000071 · Semester 3 · 5G scheme
Electrical and Electronics Workshop
Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI03000071. Independent material — not issued by the university.
Materials
Complete Book
The whole syllabus, unit by unit, written for the exam.
Complete Book
125 pages
Premium Preview · 11 pages
Syllabus units
Unit 1: Unit 1 - Electrical Safety: Precautions and Preventing Hazards
- 1.1 Electrical Hazards: Electric Shock, Burns, Fires and Explosions; Protective Measures to Prevent Direct Electrical Contact
- 1.2 Safety Tips to Avoid Electrical Shock, Safety Precautions While Working with Power Tools, General Safety Rules
- 1.3 Electrical Safety Devices: Fuse, MCB, ELCB, RCBO etc.
- 1.4 Earthing: Need, Components (Earth Wire, Earthing Lead and Earth Electrode), Important Parts, Requirements of Good Earthing
Unit 2: Unit 2- Electrical, Electronic Components & Measuring Instruments
- 2.1 Digital multimeter, Clamp on Meter, Voltage/Continuity Tester, Megger, Test Lamp, Series Lamp,
- 2.2 CRO, DSO, Function Generator, LCR-Q meter
- 2.3 Different types of resistors, inductors, capacitors
- 2.4 Batteries: Different types of Batteries (Pencil cell AAA, AA Type, +9V, Rechargeable Cell & Other), AC and DC power supply
- 2.5 Electronic Devices/Components: The terminals and the functions of Transformer, Diodes, Zener diode, LED, Photo diode, Transistors, Photo transistor, Op Amp and Timer IC 741 and 555, LDR, Solar cell, Photocell, Opto-coupler, Relays
Unit 3: Unit 3 - Electronic Circuits Design
- 3.1 Symbols of Electronic Components, Basic Circuit Diagrams (e.g., Rectifiers, Op-Amp, Voltage Regulator & Timer IC 555 Based Circuits)
- 3.2 Breadboard Layout, Electronic circuit on breadboard, Jumper wires, switches, knob.
- 3.3 Electronic Workshop Tools: General Purpose PCB, Copper clad laminate sheet, Solder iron, solder-stand, solder-wire, flexible wire, hookup wire, Wire Stripper, de-solder pump, De-solder wick
- 3.4 Soldering and Desoldering Process, Electronic circuit on general purpose PCB
Unit 4: Unit 4 - Electrical Wiring: Tools, Components and Basic Practices
- 4.1 Electrical Workshop Tools: Screwdrivers, Cutting Tools, Pliers, Linesman Plier, Wire Stripper, Measure Tap, Standard Wire Guage, Hammer, Allen Wrench, Portable drilling Machine, Fish Tapes
- 4.2 Different Types of Switches (Toggle switch, Rotary switch, Push button switch, micro switch, MCB, ELCB, etc.), Plugs and Sockets; Different Wires (single strand and multi strand wire, shielded wire), Wiring Layout of Switch Board, Extension Board
- 4.3 Wiring Layout of Test Lamp Board and Distribution Board
- 4.4 Introduction to Control Circuits: The role of control circuits, Push buttons, relays, contactors and overload relays, Contactor operation, NO/NC contacts, Start-Stop Operation, application in motor control
- 4.5 Different types of Cables, Lugs, Glands, Cable Joint, Tags
- 4.6 Types of Lamps: Fluorescent Tube light, CFLs, Sodium Vapor Lamp, Metal Halide Lamp, LED Lamp
Unit 5: Unit 5 - Common Electrical Appliances
- 5.1 Internal Construction & Troubleshooting of Electric Iron, Geyser
- 5.2 Internal Construction & Troubleshooting of Electric Fans, Mixer
About this course
Diploma holders in electrical and allied branches are expected to assemble, test, and troubleshoot electrical and electronic circuits while ensuring safety in various applications. To develop these competencies, this course is designed to provide essential skills in selecting electrical and electronic components, implementing circuits and using measuring instruments. Through hands-on practice, students will gain practical exposure to workshop tools, basic wiring practices and troubleshooting common electrical appliances. Moreover, by engaging in real-world applications, they will be well-prepared to handle industry challenges with confidence and competence.