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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to determine motor size for a fan application?

EDC,

1314

Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

1010

What is meant by term Back to back in HVDC transmission?

SSC,

1 2819

how we can calculate LT side current of transformer

L&T,

2 6827

which motor is used in our Indian Ceiling fan -Capacitor start and run or Capacitor start? (during repair i saw only one capacitor so it should be start only)

ABB, Bajaj Electricals, Power Grid, Ruchi Soya, Suzuki,

5 13219

what is the principle of switchgear and its function

1 2266

Please mention available current rating for MCB,RCCB,MCCB in the market or any website

ETCO,

1 7353

rating of ups??

1 2317

Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 11372

16kv transformeris stolen in my village.and department is not taking action.then what should i do.any shortcut .please help any idea

1 2100

how can we select the rating of Load break switch that is connected to the primary protection of 200 kva 11kv/415v distribution transformer?? step by step calculated answr pls...thnk.u

Maruti Suzuki,

2 4467

What is difference between VCB and SF6 breaker

4 6209

what is suitable cable for 25 HP motor ? start with VFD ac supply 50 hz

Mac,

3 4284

In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1108

if one potential missing in energy meter , how much % slow the energy meter?

NTPC, SK,

1 4034


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Un-Answered Questions { Electrical Engineering }

working of diesel generator ?

926


Could you measure voltage in series?

265


Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

1293


what is per unit calculation?looking for simple and strong explanation thk u

1621


WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.

2594






How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

1377


what is the use of permanent magnet generator in exciter

1271


What is stacking factor? What is its approximate value?

214


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

1375


i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com

1178


List examples of current sources?

242


Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

220


how we can calculate 2 phase welding transformer rating or total power?

1018


What is the unit of magnetic flux density?

266


pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

1051