Electrical interview questions – page 35

1,095 questions. Tap “Show answer” to check yourself.

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  1. Spinning m/c router make

  2. What is the difference between Horizontal DB & Vertical DB

  3. What's your job in last project

  4. What is MVA, MW & MVAR

  5. ANY.....................

  6. How can you build-up the team work

  7. PROJECT EXPLANATION WHICH WAS DONE AT BACHELOR OF ENGINEERING

  8. What is the difference between earth and neutral.

  9. Why transfromer rating gives in MVA Or KVA? Why not in MW or KW?

  10. How electrical power is generated by an A.C Generator ?

  11. Motor and transformer working with same principle so why motor rotor was roted and transformer not roted

  12. The safest value of current which can pass from human body?

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  14. What is the power factor of the megnetising component of transformer

  15. What is purpose of using reactor in substations.

  16. Star delta connections, instruments to regulate frequency.

  17. In a star(primary) to delta(secondary) transformer,how you take the neutral point?

  18. Why DG,Transformer,UPS capacity will be tell in KVA but notin KW?

  19. What do you mean by power factor?

  20. HOW TO FIND THE PRIMARY AND SECONDARY OF TRANSFORMER(IN OFF CONDITION) USING MULTIMETER? IS IT POSSIBLE FIND BY SEEING RESISTANCE???

  21. How much load should be given on 5 mva transformer

  22. Why the rating of the HT breakers are in 1250 Amp, while the load on the breaker is around 50 Amp. ?

  23. Draw single diagram of your substation?

  24. Asked about my experience and what are my duties and responsibilities?

  25. What is difference between corrossion and erosion?

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  27. If u give d.c. supply to transformer primary then what happen.&why??????????????

  28. If excitation will increase, then what will be the effect on power factor? Will it decrease or increase?

  29. Suppose generator rating is 50 kw,load is 25 kw,hw much d generator ll generate?what about d remainin power?

  30. Why we use carbon brush in exciter&genrator?

  31. How current rating of l.t cable is find

  32. What are the components of a substation?

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