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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 20514

what is importance of ka in mccb

2 7006

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

4 18047

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



3 17319

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?

7 12393

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

3 32766

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


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

2 11195

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

1 2973

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

13 50510

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

5 13797

Explain the working principle of variable frequency drive?


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

1 14242

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

3 6267

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Un-Answered Questions

Are you comfortable shifting base?


Explain the concept of copy constructor?


Difference between load and get?


What is difference between synchronous and asynchronous in web request in iOS operating system?


What is called animals that swim about in sea?


What is bdc programming in sap?


How does polymorphism work?


what is the difference between two and three-tier architectures?


What kind of documents are supported in wpf?


What are the most important excel skills?


I am interested in how to write Functional Specicification documents to be passed on SAP ABAP Consultants. After the Fit/Gap Analysis the RICEFW objects will be derived and functional specicifications will be written for the ABAPers to work on. I would be happy if anyone could send me examples, templates and explanations. Thanks Jay


I’m not a developer but I am being hacked and I see same stuff in my browser how can I use my browser info to determine who has my identity Here is the browser information Please help this is on going for 6 years


Define the use of each function in jquery?


List out some of the Dijit Layout widgets?


How do you write equations in word 2013?