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NTPC Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the output of 25 kva 11/.4 kv transformer in kw ? Plz generalized it...

 3 7502

Why can not you store AC power in battery like DC power?

 1 4677

How to calculate the copper in HT motors if KW, RPM & Voltage is given

 2583

I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

 3 4561

if one potential missing in energy meter , how much % slow the energy meter?

 1 4711

What is the knee point voltage of CT-100/5,15VA,5P20 ?

 3 6079

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

 5 7922

What's the differs between voltage & current & emf.

 1 3509

why the transformer has no starter

 2 8311

what is the significant for using two types of voltage(line voltage & phase voltage)

 1 2926

in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

 1 4136

if single phase is having 220v supply then why three phase is having 440v instead of 660v?

 4 7035

why we generate 11kv power supply in generating station?

 1 3027

Why phase sequence ryb called colours.

 1 3626

according to ohms law ,the voltage increases then current is what happened?

 4 4388

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NTPC Electrical Engineering Interview Questions


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why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?

5039

How do I change conditional formatting in excel?

278