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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,

1670

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

 1 2998

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

Flextronics,

1708

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

 1 3187

what the good value of earth resistance test

 3 4699

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 10758

Why we use RYB phase sequence?

3 6725

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

Jindal,

1 3780

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 4603

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 3308

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

 1527

How to select earthing strip for 100kw induction motor ?

 2 2713

conditions for parallel operation of dc generators

 4 11947

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

 1529

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

BARC, HPB,

6 38628

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Un-Answered Questions { Electrical Engineering }

Why do we require transformer with less specific weight if supply frequency is increased?

1122

We have two parts in generator, electrical & mechanical. how it works?

1504

A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

767

If rotor works in clock wise what happens

1443

How to decide and select the different earthing wire size for the different types of earthing

1809




How To increase Knowledge Of boliler regarding To Only Electrical Field..

1143

For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

724

What aturn on methods of scr?

701

what reactive how to maintain

1387

how many safety really of DG sets.

1721

i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

1479

why high speed tripping relay will be used in tripping circuit why not normal relay

823

what is the purpose of bypass mode in energy lighting transformer?

2057

how choose conductor&depending upon load

1432

hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1488

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