Symmetrical Components Interview Questions and Answers: 1. What do you mean by Fortescue theorem. Ans. According to Fortescue theorem, any unbalanced three-phase system of currents, voltages or other sinusoidal quantities…
Underground Cables Interview Questions and Answers: 1. For what purpose metallic sheath is provided in underground cables ? Ans. The metallic sheath is provided around the insulation to protect it…
Performance of Long Transmission Lines Interview Questions and Answers: 1. What is the range of surge impedance for an overhead transmission line ? Ans. 400-600 Ω. 2. What is the…
Performance of Short and Medium Transmission Lines Interview Questions and Answers: 1. What are the factors which govern the performance of a transmission line ? Ans. The factors governing the…
Transmission Line Constants Interview Questions and Answers: 1. Distinguish between ac and dc resistances of a conductor. Why the two differ ? Ans. The resistance offered to dc, by a…
Overhead Line Insulators Interview Questions and Answers: 1. What are the important properties that an overhead line insulator must possess ? Ans. The most important properties that an overhead line…
Mechanical Design of Overhead Lines Interview Questions and Answers: 1. What are the various components of an overhead line ? Ans. The main components of an overhead line are supports/towers,…
Steam Power Plants Interview Questions and Answers: 1. Why overall efficiency of a thermal power plant is very low ? Ans. In a steam power station, more than 50% of…