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  • LESSONS
    • Lessons Without Tests
      • Mechanical Engineering
        • Lesson 1 – Drilling
        • Lesson 2 – Lathe (Turning)
        • Lesson 3 – Milling
        • Lesson 4 – Belt Drives
        • Lesson 5 – Chain Gears
        • Lesson 6– Bevel gear
        • Lesson 7 – Reducer
        • Lesson 8 – Helical Gear
        • Lesson 9 – Herringbone Gear
        • Lesson 10 – Rack Pinion Gear
        • Lesson 11 – Spur Gear
        • Lesson 12 – Worm Gear
        • Lesson 13 – Badger Gear
        • Lesson 14 – Construction of a single-phase transformer
        • Lesson 15 – STEP-DOWN AND STEP-UP TRANSFORMER
        • Lesson 16 – Three-Phase Transformer
        • Lesson 17 – Components of the three-phase transformer
        • Lesson 18 – Thermo Couple
        • Lesson 19 – Level Measurement and Control
        • Lesson 20 – Quality Control and Composition of Materials
        • Lesson 21 – Measurement and control of consumption
        • Lesson 22 – Pressure Measurement and Control
      • Pneumatics
        • Lesson 1 – Double Acting Cyllinder
        • Lesson 2 – Oiler
        • Lesson 3 – Air Pressure Pneumatic System
        • Lesson 4 – Air preparation group
        • Lesson 5 – Hydraulic filter
        • Lesson 6 – Hydraulic_Tank
        • Lesson 7 – Hydraulic System
        • Lesson 8 – Hydraulic_Distributor
      • Electrical Engineering
        • Lesson 1 – Frequency Inverter
        • Lesson 2 – PLC Controller
        • Lesson 3 – PID Controller
        • Lesson 4 – Soft Starter
        • Lesson 5 – Open substations
        • Lesson 6 – Transformer substations
        • Lesson 7 – Pressure Sensor
        • Lesson 8 – Nuclear power plants
        • Lesson 9 – Wind power plants
        • Lesson 10 – Hydropower plants
        • Lesson 11 – Geothermal power plants
        • Lesson 12 – Photovoltaic power plants
      • Welding
        • Lesson 1 – Welding Techniques – Butt Joint
        • Lesson 2 – Welding Techniques – Corner joint
        • Lesson 3 – Welding Techniques – Tee Joint
        • Lesson 4 – Welding Techniques – Lap Joint
        • Lesson 5 – Welding Techniques – Edge Joint
        • Lesson 6 – THE 4 BASIC WELDING POSITIONS & TYPES OF WELDS​
    • Lessons With Tests
      • Mechanical Engineering
        • Lesson 1 - Elastic Deformation - Bending
        • Lesson 2 - Milling
        • Lesson 3 - Turning
        • Lesson 4 - Water Tank
        • Lesson 5 - Temperature Regulation
        • Lesson 6 - Automatic Gate
        • Lesson 7 - Hallway Light
        • Lesson 8 - Automatic Sliding Door
      • Electrical Engineering
        • Lesson 1 - Electromagnet
        • Lesson 2 - Transformer
        • Lesson 3 - DC Motor
        • Lesson 4 - Induction Motor
      • Automation (Hydraulics, Pneumatics, Drives)
        • Lesson 1 - Vacuum Gripper
        • Lesson 2 - Pneumatic Circuit
        • Lesson 3 - Hydraulic Press and Cylinder
        • Lesson 4 - Rotary Table
        • Lesson 5 - Pneumatic Gripper
        • Lesson 6 - Lifting a Box, Selecting Right Cylinder
        • Lesson 7 - Belt Driven Linear Actuator
        • Lesson 8 - Screw driven linear actuator
        • Lesson 9 - Process Automation
        • Lesson 10 - Booster Regulator
        • Lesson 11 - ATEX Zones
        • Lesson 12 - Hydraulic System
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