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…
Starting and Speed Control of DC Traction Motors: Starting and Speed Control of DC Traction Motors - As already discussed, only series and compound dc motors are suitable for traction…
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…
Electric Welding Machine Working Principle: The electric welding machine sets may be either dc or ac type. 1. DC Welding Sets: Such sets are of two types namely (i) generator…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 6: 241. The voltage follower is commonly used as (a) Switch. (b) Isolator. (c) Regulator. (d) None of these. Answer :…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 150. In phase modulation, phase deviation is proportional to (a) carrier amplitude. (b) carrier phase. (c) message signal. (d) message…
Thyristor Control of Electric Motors Interview Questions and Answers: 1. Why the thyristor control is preferred over Ward Leonard system of speed control ? Ans. The thyristor control has some…
