Interview questions

Quality Engineer - Electrical interview questions – page 4

165 questions. Tap “Show answer” to check yourself.

  1. What do you look for in a job?

  2. How many transformer

  3. When neutral is grounded in electrical circuit?

  4. How we do Vector group ,magnetic balance and tap changer test in Transformer?

  5. What is mean by Sensitive Earth fault & what are the effects

  6. Why metallic housing is provided of solenoid valve.

  7. Define stator,rotor,excitor,rotating rectifier in generator?

  8. Battery banks are in connected in series or parallel and why?

  9. How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

  10. What are the protection used for alternator,transformers.

  11. At what condition differential relay will act in transformer and ht motor?

  12. How will you determine the short circuit capacity of a network

  13. WHY MOSTLY BATTERY VOLTAGE IS IN MULIPLE OF 2 LIKE2V,4V,8V,16V,18V...

  14. What do you expect from our company?

  15. What is infinite Busbar?

  16. Tell me about a difficult decision you've made in the last year.

  17. With the help of drive can we run the 50hz motor on 100hz,what will be its effect.

  18. What is the safety protection? Name the protections of Transformer?

  19. How can we decide where we have to DYn11 or other vectorgroup transformer

  20. What is difference between 3 wire and 4 wire RTD sensor?

  21. Working principle of generators?

  22. Do you know the overhauling of a motor?

  23. When will cause the negative sequence falut in electrical system?

  24. Difference between earthing and grounding?

  25. What is the diffrence between star and delta connection ?when we use each one ?what is the best ?

  26. What is the effect of leading power factor for power transformer & D.G?

  27. Different types of electrical cable?

  28. Why Ma signal is using for control system?

  29. What is the basic difference between capacitor and condenser ?

  30. What is the speed of electricity?

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