Static Relays Interview Questions and Answers: 1. What is static relay ? Ans. A static relay refers to a relay in which there is no armature or other moving element…

Protective Relays Interview Questions and Answers: 1. What is a protective relay ? Ans. Protective relay is an electrical device designed to initiate isolation of a part of an electrical…

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…

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,…

Combined Operation of Power Plants Interview Questions and Answers: 1. Why is it necessary to operate hydro and steam plants in combination ? Ans. It is necessary to operate hydro…

Economic Operation of Power Plants Interview Questions and Answers: 1. Is the cost of fuel directly proportional to power output ? Ans. No, the cost of fuel does not vary…

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…

Hydroelectric Power Plants Interview Questions and Answers: 1. What is power generating station ? Ans. Power generation station generates electrical energy by conversion of energy available in different forms from…