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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 152665

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

14 50560

what is cogging and crawling

20 79545

What is the meaning of TRI Vector meter?

7 29171

What is the difference between voltage transformer and potential transformer?

38 88296

Explain the working principle of servomotor

20 50052

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 68936

how to select a circuit breaker?

24 58497

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

17 185449

why voltage drop will occurs in 3 phase line?

12 22444

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

4 29978

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

9 11559

what is corona effect?

39 85818

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 13130

what is transformer

63 65307

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ABB Electrical Engineering Interview Questions


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