Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applications such as heat treatment of metals (annealing, hardening…
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…
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…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 8: 306. 2-to-1 line multiplexer can be realized using (a) 1 NAND, 2 OR and 1 NOT gates. (b) 2 NAND,…
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 5: 198. Which one of the following devices can be turned 'ON' or 'OFF' by applying gate signal ? (a) SCR.…
Control Devices for Industrial Motors Interview Questions and Answers: 1. What are the two main applications of a thyratron ? Ans. Two main applications of thyratron are (i) switching and…
Substations Interview Questions and Answers: 1. State any four types of substations according to the service ? Ans. The substations, according to the service rendered are: Transformer substations, Switching substations,…