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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how can i get the entrance exam papers

 1462

in an industrical wiring, why we are using lighting DB and Power DB separately?

 3 5972

Thumb rule for capacitor bank calculation

 1 10311

what is the mazor difference between the induction transformer and synchonous motor?what is the similarity between them?

 1 3909

heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass

BMRCL,

7 7421

What is the Relation b/w star delta starter , DOL starter and two speed starter. if we want to rotate a 20 kw fan in 2 speeds which type of two speed starter we have 2 use?

ABB,

1 4946

How can we do megger test of cable??

 2 9285

why induction motor's p.f 0.8

Suzlon,

1690

In India why is the supply frequency 50hz? I need a particular answer for it..

 3 5101

how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

 1702

what is saturation kit?which use above 15 kw motors panel side.

Power Grid,

3564

which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

Power Grid, Powerica,

4 5729

what is the speed of a turbine in an hydroelectric power station and how many poles does it have...?

1 3020

11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.000

 3 4508

how to check capacitor in general

 1 3438

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Un-Answered Questions { Electrical Engineering }

Define pole pitch?

586

why does a dc machine has high efficiency while working as a generator than as a motor ..

1473

What is the normal phase difference between the voltage and the no-load current in a transformer?

676

Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

704

what is the difference between b c d curves on mcb

1330




Compare jfet’s and mosfet’s.

703

What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1379

what is the differences between microprocessor and general purpose computer

1626

In Generator How suction compression power and exhaust works ?

1440

What is shutdown of electrical sub station?

1934

I Want randstand placement papers

1348

which capacity of RCCB used for five thousand watt electricity load?

1332

In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1561

Define bibo stability.

645

What is the difference between grid and off- grid system??

1472

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