Electrical Engineering Interview Questions
Questions Answers Views Company eMail

when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 3074

If the generator will trip, what you will do as an electrical technician in charge.

1 2805

If the circuit breaker will not close or it will trip, what will you do?

3 5384

If the generator will not synchronize, what will you do?

3 4738

What are the types of excitation system?

1516

I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1508

wat is mean by HRC fuse... WHY we choose it...?

3 4642

actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.

1766

what is ten delta ?

ABB, Areva,

2 4850

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

ABB, Visa,

1705

what mean by analog ,digital,numerical meters and relays? say the example?

ABB,

1788

we all know that in capacitor there will be no ay physical connection between the two electrodes of the capacitor ,and the charge is stored between these electrodes during charging , so with out any physical connection how these charge is transferred from one plate to the another plate during the discharge?????

1 2707

whu the transformer noise during running condition?

NTPC,

1 4497

what relation between transmission line & communication line?

NTPC,

1 4659

Why we did not feel electric shock in electric train?

NTPC,

1 5673


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Un-Answered Questions { Electrical Engineering }

Difference between transition and diffusion capacitance

2410


What happen when change order of CT in GIS feeder?

1230


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

1777


whether fibre optic cable in high voltage earth conductor is used for protection circuits

1220


any application of back emf

1665






what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

2021


what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

1693


what are the range of memory address in plc for L&T lx7 4A

1853


please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

1511


Explain about p.t?

699


give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2279


What is the difference between the relay and the circuit breaker?

648


what is transient voltage?

1824


If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

1658


I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

1614