Protection against Over voltages due to Lightning Interview Questions and Answers: 1. What is meant by voltage surge ? Ans. By voltage surge is meant any sudden excessive rise in…
Circuit Breaking Interview Questions and Answers: 1. What is a circuit breaker ? Ans. Circuit breaker is a mechanical device designed to close or open contact members, thus closing or…
High Voltage DC Transmission Interview Questions and Answers: 1. Why is voltage regulation better in case of dc transmission ? Ans. Because of absence of inductance in dc systems. 2.…
AC Distribution Interview Questions and Answers: 1. What is primary distribution system and what is normal operation voltage of primary distribution ? Ans. Primary distribution system is that part of…
DC Distribution Interview Questions and Answers: 1. What is distribution system ? Ans. The part of power system which distributes electric power for local use is known as distribution system.…
Supply Systems Interview Questions and Answers: 1. What is the voltage that has been selected for HVDC transmission ? Ans. ± 500 kV. 2. What is an electric power supply…
Cogeneration and Energy Conservation Interview Questions and Answers: 1. What do you mean by word 'cogeneration' ? Ans. Cogeneration is sequential of energy contained in fuel into two or more…
Communication Channels Interview Questions and Answers: 1. What is optical communication? Ans. A system of communication in which optical carrier waves are used for transmission of information from one place to…