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Power Factor
What do you mean power factor?What is the use of Power Factor?
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Change in Frequency
Why do we maintain 50hz frequency? What happens when we change this frequency to any other value?
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Transformer Signal
What is the benefit of using ac signal in a transformer?
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Cable
What is the difference of h.t and l.t. cables ?
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Star/Delta transformer
What is neutral transformer?
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Transformer design and construction
What is shape of the coils used in a transformer ? choose the correct one from the bracket (rectangular,oval,circular,cylindrical ) & justify it with detail reason.
Is transformer a machine ?choose the correct one from the bracket (yes/no) & justify it with detail reason.
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SC Test
Why SC test is performed on LV side?
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Phase and Neutral
What is the difference between phase and neutral?
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Electrical Interview Question
1)What is the latest generation of circuit breakers called?
2)What are the special cables required for explosion proof wiring?
3)What are the different types of soft starters for large motors?
4)What is the similarity and what is the difference between relays and PLC? -
Power System
Difference between pi and pid controller
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Transformer Neutral Earthing
Why the transformer neutral point connected to earth?
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Electrical Engineering Interview Questions
Ans