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…
Interference in Telecommunication Circuit in Electric Traction: In all traction systems track is used as a return path for the current. Some part of the current flows through the track…
Operations of Traction Power Controller (TPC): It is provided to have a comprehensive picture of supply conditions and arrangement to operate switchgear with minimum delay so that continuity of electric…
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…
Laser Beam Welding - Definition, Block Diagram and Workings: Laser beam welding is a welding process that uses the heat from a laser beam impinging on the joint. The process…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 11: 502. In underground traction, the supply system is (a) 500 V to 1,000 V dc (b) 25 kV, 50…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 10: 452. .......... is a process that is generally used in winter air-conditioning. (a) Humidification (b) Dehumidification (c) Heating and…
Electrical Power Engineering Interview Questions and Answers: AC Distribution Interview Questions and Answers Braking and Mechanical Considerations Interview Questions and Answers Bus Bar Protection Interview Questions and Answers Circuit Breakers…