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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is meant by insulation voltage in cables? explain it?

ABB,

4 18358

In distribution transformers, fuse wires are very thin when compared to conductor size. How it's possible?

 4 10112

is it possible to convert electrical energy to light energy for transmission purposes?

 7 7066

What is power factor? Whether it should be high or low ? why?

 9 31008

define the non synchoronism of synchoronous machine in general g or m??

 1481

Generally transformers has delta primary and star secondary. But in some transformer i saw Star primary and delta secondary. what is the reason for chosing like this?

 2 3456

what are the colour's and their indications in bucholz relay?

 4 10639

how tubelight circuit is connected and how it works?

Punj Lloyd Ltd,

7 52954

what is the working principle of electrical motors?

 4 28596

what is our body resistance value?

Bhel,

11 38839

is there any lightning by passer is arranged in ship like buildings?

 1523

what is the purpose of neutral grounding resistor (NER) and why?

CBRE, Square Textiles,

8 47072

what is static electricity and how it generates?

 2 4671

what is the reason for earthing static equipments? why?

 3 8889

what is phase voltage and line voltage? in line voltage how 415v is obtained?

 9 88892

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Un-Answered Questions { Electrical Engineering }

what id a dry type transformers and its function ?

1379

hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

1582

how did the testing of protection relays done through current injection

1652

importance of reactive power management

1624

What is the ideal position cooling fan inside the dc motor?

1680




I need bhel electrical test pattern & paper

1440

How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

1514

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

1767

any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1252

state types of reflectors in illumination engg. ???????

1497

what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

1689

we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

1638

Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

1494

what is servo motor and how it works?

1810

Explain the working of variable frequency transformer?

690

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