Braking and Mechanical Considerations Interview Questions and Answers: 1. Why ordinary mechanical braking cannot be totally replaced by electrical braking ? Ans. Because electric braking cannot hold the vehicle stationary.…
Traction Systems Interview Questions and Answers: 1. Why steam engine drive is not suitable for urban and suburban services where distance between stations is small ? Ans. Because of low…
Electrolytic Processes Interview Questions and Answers: 1. What is electrolysis ? Ans. The breaking of a substance (known as electrolyte) into ions by flow of electric current through it is…
Illumination Engineering Interview Questions and Answers: 1. What are the advantages of artificial lighting produced electrically ? Ans. Artificial lighting produced electrically have the advantages of cleanliness, ease of control,…
Electric Welding Interview Questions and Answers: 1. What is welding ? Ans. Welding is a materials-joining process that produces coalescence of materials by heating them to the welding temperature, with…
Thyristor Control of Electric Motors Interview Questions and Answers: 1. Why the thyristor control is preferred over Ward Leonard system of speed control ? Ans. The thyristor control has some…
Electric Drives Interview Questions and Answers: 1. What is an electric drive ? Ans. An electric drive is defined as a form of machine equipment designed to convert electrical energy…
Power System Stability Interview Questions and Answers: 1. Define stability limit. Ans. A stability limit is the maximum power flow possible through some particular point in the system or the…