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


please send the IS strandard for electrical to


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?


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???


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.


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.


why we use capacitor in Fans not resistor?


4 6800

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


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?


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


2 6446

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Un-Answered Questions { Electrical Engineering }

a starter used for squirrel cage induction motor?


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


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


What is meant by analogous system?


how much flux density of CRNO core


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


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 )


What mean by MLTP


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


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.


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


What is the end effect of linear induction motor ??


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


how many Classification of fire extinguisher


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