Electrical Engineering Interview Questions
Questions Answers Views Company eMail

i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh

2644

i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?

3047

why neutral used in three phase motor connection?

BEL,

3 7156

Is it possible to power factor more than unity?

BEL,

9 10416

why neutral can not used in three phase motor connection?

HSL,

1 11793

What will hapen if we run generator below 47.6hz frequency?

TATA,

9 16858

low frequency protection why recomend?

1805

what happen if position of GNA and MNA is changed in machine?

3 7987

what is the means of dedicate earthing?

2 4189

what are the main parts of DG? explian thier functions?

Apollo Power, Tata DoCoMo, Tyco, Vizag Steel,

8 77590

Why MS rod or flat are used in stead of GI rod or flat in switchyard earth mat ?

2 10654

Why arc quenching is used in Diode ?

1559

what is effect of brush shift in machine?

1 2520

what is surge impedance loading and it's significant in power system?

2 13548

will we get shock from dc?

L&T,

12 12481


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Un-Answered Questions { Electrical Engineering }

in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

1448


we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

1306


Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

957


how to calculate transformer load?

1931


Why reactors use before incoming of ac vvfd drive?

1352






what is the use of expulsition protective gap in 11Kv line.

1675


excitation limit of an excitor

1500


wheather the size of windings in motor and generator are the same

1497


Give two basic speed control scheme of dc shunt motor?

613


what is upper impedance and lower impedance of a distance relay

1575


What is boucholz relay and the significance of it in to the trformer?

646


How to run a three phase motor into single phase........

1559


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

1381


Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

1691


What is called limb of a transformer?

595