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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are locations arc protection relay is fixed.

KSEB, L&T, Siemens,


Zone of protection and tripping scheme of arc protection relay.

KSEB, L&T, Siemens,


High speed earth switch operation with diagram

KSEB, L&T, Sanden Vikas, Siemens,


Difference in load break switch, isolator and circuit breaker.

KSEB, L&T, Siemens,

1 2726

If breaker is undefined position, first step to do.

KSEB, L&T, Siemens,


Load break swicth maintenance procedure.

KSEB, L&T, Siemens,


What is double throw isolator and single throw Isolator.

KSEB, L&T, Siemens,

1 5282

After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

KSEB, L&T, Siemens,


What is the main feature of v/f control?

1 1655

will 1050kva DG set withstand for back charge of 16MVA transformer


How to calculate percentage impedance of a power transformer.

1 1735

why we earth only one side of a power cable. And which side is advisable to earth.

1 1788

What is the difference between earthed and unearthed power cable.

1 2067

What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?

Bharat ITI,

2 2075

3 phase induction motor rotor field rotate at synchronous speed w.r.t ?

3 2350

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Un-Answered Questions { Electrical Engineering }

full form of flry b


what is the concept of directional power?


A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.


For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation


What is stacking factor? What is its approximate value?


why ss stablity limit is more transient stablity limit?


I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz


what is mean by dry frequency


Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.


In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system


I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?


what is meant by power and distribution transformer ?


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


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


why the value of k is more in shell typr transformers?