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Electrical Engineering Interview Questions

what is different between earthing and grounding for a electrical eqipment ?

3368

How to clear BHEL written test exam.....anyone having experience pls refer me the link were i can get BHEL question papers....

Bhel,

3460

Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

DEWA,

2043

What is The function of tvm(tri-vector meter)??

17485

If my sfu is 64 Amp & its link is 32 Amp then at what amp.my sfu will trip???

3077

what is auxilliary transformer??

Bhel,

4663

if dc excitation is used to produce manetic flux in rotating machines then ehy it is not used in transformers.

5380

why the neutral of power transformer is always earthed?

3383

how we can know which is Lv side and HV side of transformer by just seeing it?

19267

how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?

3608

how manyunits consumed by 25 kvar capacitor bank

7743

If I have a motor of 1 MW with 6.6 kV, running at 35% load, how can I save energy without reducing the load?

4967

what is meant by Is limiter?what is the use of current limiters in electrical ditribution network?

5402

There is any especial requirement for motor to drive through with VFD?

1731

What is the full form of PSD & CSD ?

15358

Un-Answered Questions { Electrical Engineering }

I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

14767

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

1031

What is making & breaking current ???

503

how to calculate cable size in diffrent loads?

1203

what is high and low cut off voltage of BB and DG at SPS????????

550

what is the difference between switch yard to residential area.and how much required it.

835

what is the working principle of a DG Set, Alternator, & exiter

9228

some basic standard questions on transformer.

860

1021

How you calculate the repturing capacity of a HRC fuse

1636

i have 3500 amp load and select current transformer and perches.how i calculate .please understand

1278

what types of electrical & mechanical test conducted in switchyard?

1252

Define de-sensitivity?

213

State thevenin’s theorem?

213

What is control system?

241