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Electrical Engineering Interview Questions
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What is the minimum value required for Neutral to Earth in UPS Panels

 3 4862

In a 11kv/433v transformer,at the LT side ie 433 V side why do we need to put 3.5 core Cable upto Panel.The full load rated Amps is 666 at LV side.What value of current will flow through the Nuetral Conductor.Why can't we use 4Core Cable instea of that?

 2 8056

what is meant by damper winding ?

 3 11220

what to do with nuetral when Generators are running in parrellel

APTransco,

11 12315

WHAT IS THESETTING CALCULATION FOR THE RELAY?

 1 2856

what is voltage, and how it makes the electron to move?

 6 6747

what is meant by reactive power ?

 5 6684

what is auto transformer?

 4 5125

why capacitor takes more current

 4 5125

I WOULD LIKE NOW WHY WE CANT USE SOME CT FOR MESARING AND PROTECTION

 2 4050

when a motor is connected in parallel with the existing motor the pf will change or not?

 9 7224

load increase means 1 resistance increase 2 load resistance decrease 3 current increases through load 4 none of these

 3 3681

what u meant by shock ? whether it depends on voltage or current

 12 11177

as per BIS supply voltage in India is ......

 9 10652

how to reduce the power consumption in office ?

 6 5820

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Un-Answered Questions { Electrical Engineering }

what is the best method of grounding in 30 MW generator?

1288

State magnitude criterion.

489

how to calculate kvar in Akiva

1313

HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

1366

Different types of relay fault which phase sequence??

256




What is rotating magnetic field?Discuss elaborately.

1965

Define relative stability.

480

In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

1326

Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

1495

As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

994

Which type of motor is used in trains, what is the rating of supply used explain working principal?

580

Define maximum demand?

485

defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

2990

How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

4154

What is MS-EXCELL?

1474

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