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Electrical Engineering Interview Questions
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in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

 1 2522

Difference between transmission line and cable?when ever a large water channel has to crossed it is easier to use cable then transmission line why?

 1 2481

why 2 phase is used in argc furnace? why 6 phase is used in converting machinery?

 1 2372

what is tpmo switch

 3 28735

What are the different auxiliary protections of a transformer?

CESC,

1 2623

The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?

 1 2746

Why transformer use to generator neutral earthing purpose ?

1 3685

There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?

 3 5130

Which has more losses, AC or DC??

Infosys, TATA,

4 15086

What is plc and how to do preventive maintenance

 1 4672

why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

 1422

how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

 1857

why it is unable to birds to be on a 220kV 0r 132 kv lines like on 33kV and 11kV lines?

MSETCL Maharashtra State Electricity Transmission Co Ltd,

4 6762

what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?

 1534

what is the difference between a hooter and a mcp

 2 10948

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Un-Answered Questions { Electrical Engineering }

How PADO software increase the efficiency of power plant?

5991

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

1177

Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

1681

how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

1766

WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

1488




How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).

4001

how many current required for hypo test

1460

How to Calculate the Fault Level of Electrical Installation

1753

How to calculate cable rating for 3 phase supply?

1719

what is ratio of copper wire size and current ?

1373

why the India electrical supply transmission loss is high when compare to us

1558

what is the excess air in furnace

1599

How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1427

What is the voltage gain or transfer function of amplifier?

701

what about GD square and its important for motor design?

3291

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