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MCQ-Set-3-Power System


Electrical engineering
MCQ related to Power System Planning and Design

Set : 3

21. Dog conductor use for




... Answer is B)
66 kv .



22. What is current carrying capacity for 'Mossse' conductor at 75°C ?




... Answer is D)
800 Amp .



23. For air ionizetion minimum electric field intensity is ?




... Answer is A)
30 kV/cm .



24. For corona which is not true




... Answer is D)
Low voltage .



25. due to corona ?




... Answer is D)
All of above .



26. Which factor affect the corona ?




... Answer is D)
All .



27. At Which voltage corona produce




... Answer is B)
30 kV/cm



28. Air break down voltage in rms is ?




... Answer is C)
21 kV/cm



29. What is surface factor for stranded conductor ?




... Answer is D)
0.82



30. which is not a insulators properties?




... Answer is D)2
good conductivity



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