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Interview Questions for Freshers, Trainee, GET, Site Engineer, Manager, Electrical engineering (Part-1)

Er. Parbhakar Dwivedi
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1. What is average demand, maximum demand?

2. What is demand factor and Load factor?

3. What are the different colours on wires indicates?

4. What is Automatic voltage regulator (AVR)?

5. Unit conversion HP into KW, Watt into Kla/Hr, Kcal into Kcal?

6. What is two phase motors?

7. Explain earthing, how grounding is different than earthing?

8. Convert 1 tonne into watts?

9. How many circuits can be laying in 20mm conduits?

10. Describe forward resistance, DC or Static Resistance, AC or Dynamic Resistance of a PN junction diode?

11. What are the leading make of conduits?

12. What is power factor? It should low or high?

13. How many MCB are install in 4 ways TPN DB?

14. What is current rating of wires?

15. What is the difference between MCM and MCCB?

16. Why 2 nos. earthing are required for neutral of transformer / DG?

17. What is the methodology of underground cabling?

18. What is the difference between Isolator and Circuit breaker?

19. What is the role of capacitor panel?

20. Kindly brief about the general electrical scheme in commercial and residential project?

21. What is the difference between primary and secondary light point?

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