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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Do you know how to measure the earth resistance? if so explain it

42 130722

What meant by lagging and leading? When if they are occurred what preventive methods should be taken?

14 43251

what is cogging and crawling

20 70966

What is the meaning of TRI Vector meter?

7 25452

What is the difference between voltage transformer and potential transformer?

38 75091





Explain the working principle of servomotor

20 43461

why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.

12 57600

how to select a circuit breaker?

24 49244

What are the difference between C-Curve and D-Curve for MCB's.

17 176466

why voltage drop will occurs in 3 phase line?

12 17318

what is full form of lv and mv? 2.while we connect capacitor to generator what will cause for it?

4 26521

hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

9 8910

what is corona effect?

39 73926

If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 9699

what is transformer

63 47610

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ABB Electrical Engineering Interview Questions


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