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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How it can worked plc based electrical system And which type of software using.

ITC Infotech,

1664

HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

 1 2986

what happen when power factor of 2 parallely operated transformer become equle?

Flextronics,

1694

how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%

 1 3172

what the good value of earth resistance test

 3 4688

If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

 3 10746

Why we use RYB phase sequence?

3 6709

what is the maximum rating(KVA) of transformer can be used in distribution side..(11KV/440v) and why??

Jindal,

1 3763

In a running D.G set engine and Alternator is revolving at 1500RPM but no output in the terminal>>>>what to do?? someone told excitation problem ....please advice

 3 4589

If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?

 1 3293

How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

 1517

How to select earthing strip for 100kw induction motor ?

 2 2702

conditions for parallel operation of dc generators

 4 11937

How can we calculate ac current from the given DC current when AC voltage is given?

 1521

why induction motor having low power factor at starting time and high at full load.

BARC, HPB,

6 38601

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Un-Answered Questions { Electrical Engineering }

What is a compensator?

653

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2157

plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

1681

Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

1495

what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

1665




what is difference between elr and R eartl realy.

1875

give me applications of sequence bridges . (used in 3 phase un balanced systems)

1448

how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

1651

PAC and simple Ac different

960

checking procedure of capacitor based motors.used in fans etc?

1601

Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2290

I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

1828

Why Ac Systems Are Preferred Over Dc Systems?

777

i've iocl interview.. if you know the interview process please give me information..

1442

if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1522

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