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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

i have a wire.and the current flowing in that.when we cut the wire then why dont we seen the elactrons....

GM General Motors,

8 9161

WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?

1684

WHAT IS THE USE OF PIG TAIL IN WINDOW TYPE CT ?

3 14280

WHAT IS THE USE OF TERTIARY WINDING IN A STAR/DELTA TRANSFORMER ?

3 6178

What is the diffrence between PL Lamps and CFL Lamps

5 78067

why CFL lamp requires less electricity than a normal lamp?/

3 4335

Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

1 2636

explain me the exact concept of generator neutral....????

2 3171

how many types of accuracy class in ct? what is meaning of 5p20?

1 6695

How to identify phases in the transformer like motor and AC generator but one condition without phase indication like(RYB,UVW)?

1 4596

Why we use Capacitor in Single Phase Induction Motor?

IIT,

12 30493

why transformer comes only in standard rating like 11kv,33kv,66kv....and not like 33.33kv and so on?

3 9185

wat system call?

1358

what is the use of tertiary winding?

2 3260

what is the relevance of knee point voltage in protection and metering grade CT ? and basically what is knee point voltage ?

2 4469


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Un-Answered Questions { Electrical Engineering }

what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

1367


Which type of questions well asked. ?

1146


how  do you choose the cable size as per amps rating & the voltage drop for the same.

1154


substation+ plc system

1379


What is the permissable nutral current of three phase system as per IS standards?

1344






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

1679


What will happen if i replace a inductive proximity switch with photo sensor in a machine?

1237


what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

1310


what is a reactive power? what is the relation with power factor?

1477


I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

1236


Can we transmit digital signal to long distance ?

1302


Why use the vcb at high transmission system ? Why can’t use acb?

569


Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

1386


What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

589


If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

1638