ELECTRICAL MCQS

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Transmission and Distribution Electrical Notes 







BASIC ELECTRICAL MCQ




BATTERY AND CELL MCQ









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Power System Most Asked MCQS With Full Explanation



More MCQs With Fully Explained 

1. Under over excitation synchronous phase modifier works as

2. The neutral of the power system may be connected to earth

3. The time to open the circuit breaker contact is called as

4. A 100 Ah capacity battery should deliver a current of 10 A for approximately _____ hrs.

5. For 400KV line, The Spacing Between phase conductor is around 

6. Shunt capacitors in a sub-station

7. An alternator is said to be over excited when it is operating at

8. In case of transformer Buchholz relay is used to protect from 

9. Series capacitors are used to

10. Disadvantage of low power factor is

11. The colour of neutral three core flexible cable is

12. The location of ground faults in underground cables can be found by

13. Fault location in an HV cable is done by

14. The insulation resistance of a cable of length 10 km is 1 MΩ. its resistance for 50 km length will be

15. Which of the following is not a valid advantage of bundle conductor?

16. Star-star power transformer is protected by current transformer having

17. The surge resistance of cables is

18. Skin effect is only noticeable at _______ frequencies. 

19. When transmission voltage is increased, the line losses are

20. Var compensators are used to

21. High voltage transmission lines use

22. The material used for insulators are

23. Which device is used for protection of equipment from from damage caused by overload or short circuit?   

24. Isolator in sub station is open under ------------- condition?

25. The surge impedance value of overhead lines is












38. A thermal protection relay provides protection against what?

39. Mho relays are used for the protection of which of the following lines?

40. The rate of rise of re-striking voltage is dependent upon

41. If sag in an overhead line increase, tension in the line

42. The secondary winding of which of the following transformers is always kept closed?


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Electrical Engineering MCQs With Full Explanations 

1. HVDC SYSTEM 

2. HYDROPOWER PLANT 

3. STEAM POWER PLANT 

4. NUCLEAR POWER PLANT 

5. Economic Load Dispatch 

6. Electrical Cable



Electrical Exam Preparations Notes

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