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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 11391

how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????

11 22982

1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 3419

what is divercity factor?

4 5558

why transformer is conneted to dc for polarity doesnt work in dc?

1 5319

How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral

7 24223

what type of oil is used in transformers? a)conduting b) insulating

25 43440

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.


What is the technical reason for adopting color coding of three phase system as RYB.

11 19466

what is the earthing condition between earth & phase.

3 3715

what is the earthing condition between earth & neutral.

6 7222

wat is the difference between real power and reactive power..which is useful..?and how it s useful..wat is the effect of these on a power system...

10 17356

difference b/w eath and neutral

10 8280

how netral CT is selected (including its details specification)

8 31694

what is importance of ka in mccb

2 5790

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ABB Electrical Engineering Interview Questions

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