Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is difference between 2 pole structure and 4 pole structure in transformer yard

Hospira,

5211

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

941

My meter CT is 200/5amps Then my electrical meter MF=???please suggest

KFC,

2 2272

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1156

May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

1015

What is the two pole structure?

Foxconn,

1411

why SCR use in power plant

Edison,

1 1627

Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1204

In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1074

What is power factor why we should maintain the power factor unless what will happen

1249

Can we use Ccapacitive voltage transformer directly for metering purpose?

1115

What is the maximum load of 240mmsequre single core cable can carry?

1 1508

I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

1030

What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

1085

How calculated single phase induction motor req. Capacitor?

1113


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Un-Answered Questions { Electrical Engineering }

Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

1677


Draw the circuit of clapp oscillator?

665


Explain RLC circuit?

732


What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

871


I Want randstand placement papers

1352






How to find out damper winding failure for synchronous machine?

990


What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1561


what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

1922


WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?

3513


What are the different circuits in thermal power plant?

706


can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1532


What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?

1429


Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

2085


How Can You Relate Power Engineering With Electrical Engineering?

728


why do we lay up the core of a cable?

1597