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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Type of cable insulation?

Essar,

3 4652

what is XLPE cable?

Essar,

2 6069

Hi i want to know that in generation station what we are generate either voltage or current

1 2698

What are the possible causes if load is not same on all the three phases

4 4535

What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2021

what are the C&D CHECK OF DG set

HCL,

1 4791

If I need to purchase a step-down transformer (from three phase 33kV 50Hz to 400/230V), what additional information do I need from the main supply power line?

MahaDiscom,

1 3206

Why we use duplex coil and hook switch in telephone system?

4328

why dc supply given to ac alternator rotor

3 6592

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

1467

in conclusion why we select you?

1 2855

what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?

1569

What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

1393

why we step/down voltage in multipul of 11kv?

Siemens,

4 4537

what is auto transformer

IBM,

3 4154


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Un-Answered Questions { Electrical Engineering }

What is power factor why we should maintain the power factor unless what will happen

1033


How do we find the rating of a transformer, if it got burnt badly.

901


How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

1392


describe the Operation of induction generators from bus bars

1616


What is the unit of attenuation?

466






whatis the commertial spec. of distribution boards ?

1378


why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2297


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1253


How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"

1283


how we provide neutral earth on synchronising panel as per electrical standards?

1416


what is counter poise conductors

1483


how to calculate micom relay earth falt time and current sertting

1517


What is the differentional relay...what is the work of this in power Tx. how it is works..

1245


can any one know is sbi interview based on merit or based on roll number

1299


can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

1326