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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between diode and a transistor in terms of the direction of current flow?

1522

please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in

1606

If I have a motor of 1MW with 6.6kv, running at 35% load, how can i save energy without reducing the load ?

Reddy Labs,

2 3803

What is the advantage and disadvantage of dry type transformer?

Bhel,

5 17381

is there any difference in reading or error in value, if we connect the R phase in Y terminal and Y phase in R terminal of electronic energy meter of 11 kv feerders???

KSEB,

1 3506

why inuctive drop is not consider in DC MOTOR

2 3039

what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

1385

what is reactive and active power?why we need power factor correction?

2 3881

why inductivedrop in dc motor neglected

2 4072

I am selected in OCL(Orissa cement Limited), but they have a Tech PI round their at their plant.Anybody has any idea that what kind of questions they are going to ask??Please guies help me. I am in serious headache.I have heard that huge elimination is done at there.

3789

why we use capacitor in Fans not resistor?

Vardhman,

4 6800

how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

1662

Why there are semi conductor layers on conductor and XLPE insulation of HT cables

1 2629

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

1470

one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

NTPC,

2 6446


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Un-Answered Questions { Electrical Engineering }

a starter used for squirrel cage induction motor?

1053


how to find three phase complex power in per unit and MVA?

1460


what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

1356


What is meant by analogous system?

533


how much flux density of CRNO core

2098






what is the difference between 2 way and 4 pole selector switch???

1679


pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

2053


What mean by MLTP

3194


How we can change the direction of rotation of Induction motor? Prove it using graphical

1438


What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1265


please write motor, transformer, Generator setting, fault level calculation of Tr.etc

1359


What is the end effect of linear induction motor ??

1393


What is the effect of pi controller on the system performance?

441


how many Classification of fire extinguisher

1492


The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

904