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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why converter duty transformer neutrals are not earthed...i am still not sure if this question is also correct...Please email at ranjan120482@gmail.com

1592

how to calculate the bus bar current rating

2 22978

How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

1738

How to decide the rating of CBCT? We have 6.6Kv switchgear & having 50/1 cbct ,i want to know how this 50/1 A came? On what basis we decide CBCT reting?

Cross,

1 7755

What is difference between Step Up Transformer & Booster Transformer? can we used instead of any one?

CS,

2 15627

Difference Between Differential Relay and Restricted Earth Fault Relay of Power Transformers

KSEB,

1 9820

can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

GKB,

1357

hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

1912

how we can differentiate a motor and a generator just by a glance?

5 7667

If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 1737

If a motor of 8.5 KW with same load and using in both Star & Delta one by one,then which will take more current in star connected or in delta connected

4 7279

what is the difference between self excited & seperately excited ?

3 12333

what is the unit of current

RRB,

12 9642

why the armature coil in dc machine is round?? swagat k.

1 2510

what is OLTC and difference between RTCC and OLTC

Sodexo,

7 28168


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Un-Answered Questions { Electrical Engineering }

hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

1417


I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

1494


Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

1628


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

1358


what is ground fault in ACB?

1477






why dc is used in control circuit for mv & hv switchgear instead of ac

1275


PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

1430


mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1324


I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

1547


I have two PLC processors. I want to communicate both processor with each other. How i can do so?

1577


What do you mean by pull of electromagnet?

452


What is the test block protection relay if any body know plz explained

844


What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1263


what is the minimum winding resistance of 30hp compressor, to run or to switch on

1181


What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1174