Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applicaÂtions such as heat treatment of metals (annealing, hardenÂing…
Production of Chemicals by Electrolysis: There are various industrial applications of Production of Chemicals by Electrolysis such as production of caustic soda, chlorine, potassium permanganate, ammonium per sulphate, hydrogen and…
Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…
What is illumination? - Terms used in Illumination Light is the prime factor in the human life as all activities of human beings ultimately depend upon the light. Where there…
Advantages and Disadvantages of Arc Welding: The Advantages and Disadvantages of Arc Welding having its distinctive merits and applications. The advantages of arc welding with dc lie in the higher…
Resistance Welding Machines - Overview and Circuit Diagram: Resistance welding machines incorporates a transformer, suitable electrodes for supplying current to the weld and arrangement for controlling the mechanical pressure, and…
Laser Beam Welding - Definition, Block Diagram and Workings: Laser beam welding is a welding process that uses the heat from a laser beam impinging on the joint. The process…
Spot Welding - Definition, Working Principle, Application and Advantages: By definition, spot welding is a form of resistance welding in which the parts or pieces are joined in spots, accompanied…