Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the scale analysis for condensor of HVAC system

3 2807

ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

2905

How to select the rating of a CT used for REF protection. The rating can be of equal rating of Phase current or neutral current rating

UltraTech,

2 2910




what is the problem of generator over voltage.?except automatic voltage regulator card

Siemens,

2 2162

what is form factor

2 2787

what is the range of using dol starter & star delta starter.

10 31249

what is amf panel & how it is working

ATS,

5 37931

tell me working of air circuit braker.

2 3075




what is the working of ups.

7 6415

what is working of no & nc.

8 26210

what is the working of vfd drives.

2 4702

what is the material use in bus bar & why.

3 3302

when motor taking high amp what happen.

4 8934

what is the highest transmission voltage in India till now?

Bhel, Electrical,

36 42352

What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 11018


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Un-Answered Questions { Electrical Engineering }

What consists of 2 or more thermocouples to be connented series?

599


What is VCB? where it is installed at SP. What is SP?

948


what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

839


how r charge carriers produced

745


how to prepare the technical test

772






HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

663


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.

811


what is mean by dry frequency

1044


What happens if we run alternator on under frequency? 

866


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

685


can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

731


how oti and wti connections are different from each other?

827


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

698


what is upper impedance and lower impedance of a distance relay

831


How you give clearance to a spare feeder.

399