Current Collection System in Electric Traction and Types of Current Collection: There are mainly two systems of current collection system for locoÂmotives, tramways or trolley buses viz Conductor rail system…
Compact Fluorescent Lamp (CFL) - Working Principle, Types, Advantages and Disadvantages: A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light, is a type…
Fluorescent Tube - Definition, Construction, Working, Merits and Demerits: Fluorescent lighting has a great advantage over other light sources in many applications. The tubes can be obtained in a variety…
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…
Difference Between Resistance and Arc Welding: The Difference between resistance and arc welding is given in table below Particulars Resistance Welding Arc Welding Supply Usually ac only. AC or dc.…
Difference Between AC and DC Welding: The Difference between AC and DC welding is given in table below Particulars DC Welding AC Welding Equipment Motor-generator set or rectifier is required…
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…