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ABB Interview Questions
Questions Answers Views Company eMail

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 17518

what is importance of ka in mccb

2 5865

what is meant by insulation voltage in cables? explain it?

4 15724

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1037

STATE AND EXPLAIN SUPER POSITION THEOREM.

3 15718





During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

6 8866

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 27938

why 1.7Uo for HV cable Hi pot test?IE standard why?

1244

How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transformer

2 9848

How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 2186

What is the difference when selecting a cable between AC and DC current?

13 45265

What happens if the capacitive reactance of a transmission line is very high?

5 11722

Explain the working principle of variable frequency drive?

2416

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 11958

What is Grounding? any difference b\w earthing? if yes plz explan??

3 4808

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Un-Answered Questions

how current is reverse from its normal direction during the fault?

1405


Rules for filling Income Tax return for a MNC?

1067


Sir, I wish to appear for the written test in the year 2009. But i have no syllabus on the basis of that the exam was held. So if you kindly give me the syllabus,it's easy for me to be prepared. I have already registered through online,and that no is 10857

989


How to use online Backups?

1152


Do you consider yourself a team player? Give example where you worked in a team and tell us about your role?

105






Explain the tensorflow and its uses?

1


Explain what are enzymes?

46


What is oracle database client?

20


How do I use hotmail with outlook?

1


Difference between Check and Draft ?

94


What is named query? : sql server analysis services, ssas

58


What does the rdbms stand for and what are the major rdbms used by sql?

1


Explain what is the difference between diffraction and interference?

43


List out the six packages available in xml digital signature api?

25


Define holding current?

70