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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 2433

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 2373

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

 1 2240

what is tpmo switch

 3 28298

What are the different auxiliary protections of a transformer?

CESC,

1 2531

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

 1 2614

Why transformer use to generator neutral earthing purpose ?

1 3561

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

 3 4884

Which has more losses, AC or DC??

Infosys, TATA,

4 14841

What is plc and how to do preventive maintenance

 1 4577

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

 1345

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)

 1789

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 6520

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

 1444

what is the difference between a hooter and a mcp

 2 10754

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Un-Answered Questions { Electrical Engineering }

given data are load current & power factor cable core size? plz any one update the calculation formula

1317

Explain Creepage Distance of Insulator

1661

block diagram of 2 ups system connected in hot stand by mode?

7421

sir vizag steel ka junior trainee ka paper kitne number ka ayega

1673

Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

574




why swityard is necessrry requirement in any bis power distributin systems?

1780

RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

1544

IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

1540

Why is better to have a minimum ceiling voltage of 250% than 160%?

1344

In a single how much maximum current and watts using

1560

Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

1568

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

1637

Do closed loops systems require manual input?

586

what are the advantages and disadvantages of oil filled cables over XLPE cables

17765

what is kondo syatem in eletrical traction

1572

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