Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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 6918

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 3291

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...

3104

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

1 6345

What is the meaning of EDO in DG panels?

Bajaj,

3 7759

what is the use of interposed & reverse voltage transformer

Anjani Steels,

2 15758

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 6534

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 3051

what is phantom load, Give any example

2 5363

what is the impedance voltage of transformer?

AVI Enterprises, MacLellan,

1 4073

11kv alternator commissioning test?

2 14718

What is an alternator impedance value?

Orchid,

2853

Diff between power trans and generating transformer?

1 3950

What are the tests to be conducted in the electrical installations

1 3996

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

RRB,

1 4407

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Un-Answered Questions { Electrical Engineering }

can anyone give an idea about dia calculation in cold rolling mill

1656

what is the use of piston rings in the engine used for a generator...........

2190

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

2542

Why do we perform an open-circuit test and short-circuit test on the transformer?

1114

What are the different types of transformers?

1159

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1789

What is the function of the circuit breaker failure relay?

2375

Control cables in S's will carry 1000v which is AC R DC? Pls answer me

2152

What is The Resistance Formula

1272

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

1980

how to make an earthing certificate

2242

witch pump used in wtp

2103

condition Autotrip facia come on control panel of electrical transmission line?

1570

please explain how to do 'pole drop test' on generator?

2902

In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

2180

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