Electrical Engineering Interview Questions
Questions Answers Views Company eMail

considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 5343

differentiate between one way two gang switch & two way one gang switch, used in designing the loads of building.

1 3723

What is the meaning of insulation leavel LI 75 AC 28 About scott transformer spcification

1 20357

If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?

4 10176

The Source internal resitanse Rs , When equal to Load resistance RL, the maximum transfered is of _____ % of input power?

2 6698

The Frequency is measured by _________ bridge ?

3 6736

In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?

15 20231

why the secondary winding of the transformer is not open circuited ?

Nepal Electricity Authority, Torrent Pharma,

5 10036

how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

1805

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2315

Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

Adani Power,

1768

v=I*R, i.e V is directly proportional to I. now P=V*I. so V=P/I. thus v is inversely proportional to I. so what is the correct one? If both are correct than for which kind of condition this 2 differ

3 6224

what is meant by leakage current of a capacitor?

1 4794

why we use lamination or layer by layer cor used?

4 4828

what is the difference between indoor & Out door substations

HSBC,

5 24808


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Un-Answered Questions { Electrical Engineering }

what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

1536


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

1802


what parameters should we check to reduce the power bill

1842


what is sevice settings for mccb?How can be it setted?

1585


Why the power factor improvement is so important in industrial loads

1410






sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

1408


is there any role of power factor with frequency variation? and how we can manage the frequency variation?

1640


in non technical way how can u define POWER FACTOR??

1378


Explain the term parallel path in dc machin ?

1768


what is v/f control in VFD?

1074


What are the main advantages of generalized error co-efficients?

645


What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

2870


sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

1747


What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

3438


why do we have spikes enough to burn electronic boards, when generators are not grounded

1330