Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what will happen when square wave is fed into input side of 3kva transformer and what you will get on output side.

Blue Star,

3 5868

Whether earthmat designning is done only for sub station or it can be done for multy residential complexes also? What is the size, type & arrangement of the earth grid to be done?

1 2798

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

2743

Why the outpet og DG is 415V not 440V?

1 5497

What is the meaning of EDO in DG panels?

Bajaj,

3 6925

what is the use of interposed & reverse voltage transformer

Anjani Steels,

2 14945

Why we are not placing c.B 's btwn generator and transformer.? what happens when generator gets disconnected from transformer when it is running @ full load?

Areva,

3 5612

Instead of single phase(220), if apply Phase to phase supply (eg: for lighting fixture). what will be the power formula? what will be the volt and current value? please explain me with some example.

1 2540

what is phantom load, Give any example

2 4672

what is the impedance voltage of transformer?

AVI Enterprises, MacLellan,

1 3504

11kv alternator commissioning test?

2 13968

What is an alternator impedance value?

Orchid,

2515

Diff between power trans and generating transformer?

1 3401

What are the tests to be conducted in the electrical installations

1 3395

pls send me some of the solved question booklet of Junior Engineer -2 (ELE) in RRB

RRB,

1 3693


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Un-Answered Questions { Electrical Engineering }

sir i had plane to do some project with the base of hopkinson test in AC supply its possible

1503


in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

1551


why power not passes in plastic and rubber material

1648


Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1337


what is the standard duration after failure EB power

1448






What do you mean by screen of power cables?

1394


How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

4137


What is use of starter and choke in tube light

1427


Single line digram for 11 kV to distribution use go,la and do

1431


PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

6090


can we conduct the swineburne's test on a dc series motor? why?

1772


What is core CT & it's function?

1757


difrent between vcb acb sf6 and mccb breakers

4791


How do u analyse protection fault when vcb tripping on load

1301


what shoud be strength and weakness to impress interviewer????????

1734