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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 11540

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

11 23744

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

3 3499

what is divercity factor?

4 5652

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

1 5380





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

7 24863

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

25 43918

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

1475

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

11 19876

what is the earthing condition between earth & phase.

3 3796

what is the earthing condition between earth & neutral.

6 7330

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 17522

difference b/w eath and neutral

10 8429

how netral CT is selected (including its details specification)

8 32183

what is importance of ka in mccb

2 5866

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

difference between speculation business & non speculation business

2021


Is copper tube withstand under hard water say as 500 TDS.And is it cleanable by solfamric acid or by tube brushing

1322


What is sealed modifiers?

61


Problem from the list below, apply the rational decision making model and present the best solution to the problem. 1.high of absenteeism in the production department.

965


Name of the relay of low lub oil presuure in DG sets

1039






What attracted you to the web services field?

29


How many interfaces you implemented sofar?

56


What is working capital? How would you calculate it?

85


What are the applications of priority queues?

66


How do you carry-forward account balances?

80


Is joomla better than wordpress?

3


How can I develop an application that automatically updates itself from the web?

43


What is ms word in computer?

11


how do we calculate length of starting time and repeated starting of a direct online starter?

1007


Explain how to perform load-testing?

60