Quality Systems Interview Questions and Answers: 1. What are the three series of ISO 9000 standard? Ans. ISO 9000 : 2000-Quality Management System-(QMS)-fundamentals and vocabulary ISO 9001 : 2000-(QMS)-requirements ISO…
Speed Control of Three Phase Induction Motor: The problem of speed control of three phase induction motor in particular is of great practical importance. In a number of industries motors…
Starting of Synchronous Motor and Precautions: As already stated the synchronous motor has got no self starting torque and the motor must first be brought up to synchronous speed by…
Various Pilot Devices in Motor Control: Motor control devices may be classified as primary control devices and pilot control devices. Pilot devices control the primary control devices which in turn…
Amplidyne (Rotary Amplifier) - Definition, Construction, Connection Diagram, Workings and Applications: The amplidyne is a rotary amplifier in which a small amount of power supplied to excite the field is…
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…
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…
Difference Between Tungsten Filament Lamps and Fluorescent Tubes: The Difference between tungsten filament lamps and fluorescent tubes is given in table below Sl No. Tungsten Filament Lamps Fluorescent Tubes 1…