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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

where AVR is connected in power plant.

7 6334

what are the parameters plays a major role in Potential transformer Burden calculation??

744

What is the meaning of high reputuring in HRC fuse.?

1 3052

where rlc series ckt used?

756

Why transformer ratings in KVA not in KW?

6 5229





what is the difference between arc and spark

2 4736

What is the differentional relay...what is the work of this in power Tx. how it is works..

549

what is the safety of ACB & VCB and how can this work and how can the service the ACB & VCB parts name with picture

14 52773

what is ten delta ?

2 2602

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

782

what mean by analog ,digital,numerical meters and relays? say the example?

668

Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 2725

I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

3 3840

Hello friends, Can anyone explain the concept of zones in Bus bar protection and how can we differentiate the main zone and check zone in Bus bar protection

1 5804

Difference between earthing & grounding.?

3 3007

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Un-Answered Questions

define fixed assets

584


how indusrial diesel generator work

597


design a counter with the following repeated binary sequence: 0, 1, 2, 3, 4, 5, 6, 7, 8 using JK Flip Flop.

12108


How to use Access97 drivers with BDE 4.51 ?

736


hi frens, i need ur help if nebody had worked or workin on online banking projects n online job portals ..frens cud u pls gimme the realtime examples for critical bugs, high severity n low priority bugs high severity n high priority bugs low severity n low priority bugs high severity n low priority bugs related to banking n job portal

707






What are Touching objects?

397


wat is d diffr btw shunt coil and trip coil in VCB?

1482


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

439


respected sir, I am Diptiranjan swain have already applied as IFFCO GET ONLINE FORM-2013.kindly,send me one set of previous year question paper.

677


when will you do debug your script? and explain that process?

695


hai i am mca 2009 fresher.please tell me which certification helps me to get an IT job faster which institute is good in hyderabad.please mail me to prasanna.1856@rediff.com

717


How do the pan wala calculates his profit?

1157


AN ESTIMATE OF ASSETS AND LIABILITIES ON AGIVEN DATE

773


Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

634


In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?

631






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