Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if sf6 gas low in gis what will happen

372

How to test lightning Arrester?

392

During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2022

Why need 3phase machine double earthing?

1321

what are the deffects for failure of PLC?

1563

How to calculate Number of Earthing Pits....???

1107

why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

1107

how to calculate units consumption for a 12 hp motor /hr.

1027

what is the best transformer oil breakdown voltage?

710

what is circuit breaker in transfomer and where it used

722

Can we use LT(150 sq. mm) cable in place of HT (120 sq.mm.) cable.?

1 636

DG cranking voltage?

281


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Un-Answered Questions { Electrical Engineering }

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

943


what shoud be strength and weakness to impress interviewer????????

1617


what is difference between elr and R eartl realy.

1880


what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

1763


in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?

1704






Refernce currents are to be generated using refernce cueernts how can this be done

1775


at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1341


what is the internal working of star delta starter

1638


Why corona leads to production of Ozone and glow of the color VOILET?

1495


What is the form name of 'c' license, I want to download in web

1401


List the disadvantages of constant k filters?

1060


define the non synchoronism of synchoronous machine in general g or m??

1438


how to calculate compresor capacity?

1667


why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

1519


is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1388