Junior engineer SDO electrical interview questions

Posted on by Engr. Hamid Ali

This posts lists 50+ Top Junior engineer SDO electrical interview questions that are asked previously in different Discos.

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Top Junior engineer SDO electrical interview questions

  1. Why generation in 11kv?
  2. Why transmission on high voltage?
  3. Types of losses?
  4. Relays use on 132KV T/L
  5. Relays on 11 KV
  6. Differential transformer rating
  7. Distance and differential protection
  8. SDO duties
  9. Stake holders of power industry
  10. Circular debt
  11. Why Transformer rating in kva not in kw
  12. What is power system
  13. What is grid
  14. Grid station components
  15. Distribution transformer rating
  16. What is discos
  17. What is ct pt
  18. Protection in transmission line
  19. Types of insulators used in Transmission lines
  20. When we use Strain type and when suspension type?
  21. Types of transmission line wrt distance
  22. Tell about Transmission lines
  23. Protection of TTransmission lines?
  24. Distance relay function in details
  25. Differential protection?
  26. Protection zones?….
  27. Circuits breaker and fuse basic difference?
  28. What is power system
  29. What is transmission and distribution
  30. What is reciprocal of admittance
  31. Courses details from bachelor’s degree
  32. SDO responsibility
  33. Does SDO make bills
  34. What is an induction motor
  35. How can losses be reduced on the distribution side.
  36. Who were Tesla, Volta and Edison
  37. What is the role of discos?
  38. Who issues a license to them?
  39. You are from Sargodha…
  40. Have you visited any grid stations? Yes
  41. What is a function of the grid?
  42. What is a bay?
  43. What are single-line diagrams?
  44. Rating of breakers in grid ?
  45. What function of the distribution transformer and the transformer located in the street?
  46. What are line losses?
  47. Technical losses?
  48. Why do we generate at 11 kv but transmit at 220/500kv ?
  49. What is high voltage?
  50. Difference between a power transformer and a distribution transformer?
  51. What is super high voltage?
  52. Super and extra super high voltage ranges?
  53. What is the role/duties of SDO?

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