Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the safe meggar values for motor, transformer HT, LT and Cables?

IOCL, Jindal, TATA,

12 51638

how to calculate the megger values for motor, cables and transformers?

ITC Infotech,

2 30861

why induction generators are used in wind mills.why cant synchronous generators b used??

2 5018

is it necessarry to charge the battery of ups always??

3 5412

why transfromer rating gives in MVA Or KVA? Why not in MW or KW?

GIL, Siemens,

6 22440

why we define potections of Tourbo generator in Class A & B.

GIL,

1 3325

what is leading and laging please in details

3 6151

what is the difference between synchronous & asynchronous generators

Emco,

1 4928

why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

3 23368

Is Softbitonline HT Transformer Design Software is AutoCAD compatible?

1 4710

What is the difference between Rectifier & Converter?

Bajaj,

12 94734

what is power factor? how can we correction the power factor if this is high or low? If anyone know please please send the answer on my email id ( kumarkirshan@in.com )

5 8275

What shocks us , Current or voltage?

21 24851

can we transmit power with out cable if it is possible how it is possible.

2 4796

Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

1902

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Un-Answered Questions { Electrical Engineering }

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1907

Formulae for calculating the transmission line losses for different voltage levels

2136

State ohm’s law?

1061

What is FM200 Gas??Applications........

2320

how we can set the IDMT relay.

2171

What is different between Difnit time and instatous over current relay

2498

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

2081

which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

1684

what are pilot cells

2035

full form of electrical?

2673

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1602

is it possible to start a motor in felid connected to a remote mcc

1885

role of europe union in UK safety legistlation (electrical safety)

1731

what do you mean by plant earthing system.

2016

Why are cables rated for 40 KA for 0.25 Sec fault current rating?

1909

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