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Electrical Engineering Interview Questions
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sir can you operated Transformer on frequency from that for which is design?

Kirloskar,

1 3332

sir what is the minimun earth resistance value of an industial bit and grid bit ? and Why?

Kirloskar,

1 4638

what is difference between power & distrubution transformer ?

 3 5483

how did the differential relay work to protect the power transformer

 4 9691

why do we have 230v a.c. as general voltage for domestic supply rather than others?

 2 5518

In transmission line the line power loss only accured at resistance the inductance and capacitance wont consume power is it correct?

 2 3610

What are the types of AMF(auto main failure) panel.

 1 3569

sir, Is their any measuring unit of knoking? please explian?

Kirloskar,

1416

sir, why alternator output is connected to delta side in to generating transformer? any reasion?

Kirloskar,

3 6146

sir, Two different rating of generator going to connect parallel, can it set same DROOP or different. Why? Please explain

Kirloskar,

2 5865

Sir, why generating power plant operating at above 0.9 lag? detail explaination?

Kirloskar, L&T,

1 4677

generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

 1541

why grid frequency varry time to time?

 2 4027

whats the reletion betweet flow,pressure,head,rpm and motor rating?

 1 4267

whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.

 1 3474

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Un-Answered Questions { Electrical Engineering }

What are test signals and their significance?

630

why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

1402

how to calculate the no load current in transformer?

1982

Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

1805

What do you mean by a current transformer?

635




how do you test tachos and servos

1634

Alternator rotor earth fault relay circuit

1552

if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2125

Make a list observation on Transformer?

1934

Why use the vcb at high transmission system ? Why can’t use acb?

794

what is allowable ac mixing in dc

1536

what is the transformer turn ratio formula and give some examples?

1922

what is th basic difference between a d latch time line and a d flip flop time line???

1469

What descriptive information does the NEC require to be marked on all conductors?

1461

What type of pipe material G.I or M.S is used for sprinkler system?

8328

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