Different Types of Electric Heating: Different types of electric heating can be broadly classified as (i) power frequency heating and (ii) high frequency heating. Power frequency heating can be further…
Three Modes of Heat Transfer (Conduction, Convection, Radiation): A heated substance will give off heat to another substance at a lower temperature. The three different modes of heat transfer are…
Power Supply for Electrolytic Process: Power Supply for Electrolytic Process is direct current and at very low voltage. The power required for electrodeposition is usually very small (between 100 and…
What is Metadyne Control? - Construction, Working and Applications: The metadyne control system is based on constant current system of speed control. In resistance control or series- parallel control a…
Series Parallel Controller with Reversing Drum: A Series Parallel Controller with Reversing Drum (with shunt transition) for two series motors is shown in Fig. 13.11. In addition to its primary…
Automatic Block Signalling System in Railways: The purpose of automatic block signalling system in railways is to keep trains apart but permit spacing as close as safety permits. For optimum…
Current Collector for Overhead System and Types of Current collector in traction: The current in the overhead system is collected with the help of sliding contact collector mounted on the…
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…