1. Tell me something about brushless excitation systems.
2. If you have a generator and you want to install another generator in parallel with it, what factors would you keep in mind?
3. What are the different schemes of protection used in a generator and what relays are used?
4. Should we use a relay for measuring overvoltage also in a generator?
5. Tell me about the different types of transmission losses.
6. Types of Relays and Circuit Breakers.
7. What is power factor?
8. Have you seen any circuit breakers connected to a Generating Transformer?
9. How many kinds of transformer do you know?
10. What is a relay?
11. Why is electric traction used in metro trains?
12. Why don’t we feel shock while travelling in an electric train/car?
13. Who is the Power Minister of India?
14. How does a CFL work?
15. How does a tube-light work?
16. What is corona?
17. What factors affect insulation of winding?
18. What kinds of faults occur in a transformer?
19. Transformer Oil deterioration parameters and Why is it deteriorated.
20. Transformer Oil Test.
21. How would you put oil inside the transformer?
22. How do you provide safety in the operation of transformers?
23. Transformer Oil properties.
24. How can you measure motor insulation?
25. Buchholz relay.
26. How can you detect breaks in transmission line?
27. How can you store electricity?
28. Hydroelectric power plant.
29. Measurement of Insulation / Meggar.
Interview Questions (Day 1)