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Electrical Engineering Interview Questions
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In case of a synchronous generator carbon brushes, some brushes expire before the others. Why is so? When all the brushes are installed at the same time, why don't thee expire at the same time?

 1 2263

Grounding. Dear all at one of my site we checked the amps at the earthing cable to the alternator it was found 125 to 130 A. at the neutal cable in same machine found 146A. in the same plant checked the earthing current on other alternator it was 52A, and neutral 116 A. we are facing problems with our controller and the card was damaged once. can that neutral/GND current be a reason? as there is common grounding for the Alternator,Brkr panel,Transformer?

 2 3172

can anyone send me some sample question regarding power grid corp

 1793

what is difference between power transformer and distribution transformers

 1 4469

Seamless tubes are made by?

Bhel,

5 9155

what is the difference between earthing and unearth

Apple, NTPC,

2367

in VFD when freq is reduce the voltage will reduceor not if it will reduced upto ...

 8 7815

Why capacitor bank is not neccessery to switch on,pls answ me with formula

 2 3939

why ct mensioned 0.5/5p20 plese any reply to me

 2 6508

Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

CB&I Lummus,

1568

what is the difference between interconnection and intraconnections in the circuit diagrams

NTPC,

7561

Explain the laying procedure and laying depth of submarine cables under sea?

Schneider,

1 3434

how work a harmonics filter(L-C combition).

Bhel,

1 1880

how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?

 3231

how can I check HT cable ?

 2 5357

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Un-Answered Questions { Electrical Engineering }

what is ps impedance test

1658

Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

1737

can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

1395

what is the function of Moulded case circuit breaker, why it is called Moulded?

987

a starter used for squirrel cage induction motor?

1211




What is force on parallel conductors ?

643

how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2074

i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com

1534

Define early construction of human being

1437

what is meant by power and distribution transformer ?

1514

can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

1618

difference between main metering kiosk and check metering kiosk

2343

main difference between ac and dc?

1206

Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

1192

can you plz send l&t aptitude questions if available its urgent plz plz plz

1645

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