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 6765

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 3204

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...

3058

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

1 6186

What is the meaning of EDO in DG panels?

Bajaj,

3 7610

what is the use of interposed & reverse voltage transformer

Anjani Steels,

2 15636

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 6396

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 2990

what is phantom load, Give any example

2 5235

what is the impedance voltage of transformer?

AVI Enterprises, MacLellan,

1 3972

11kv alternator commissioning test?

2 14595

What is an alternator impedance value?

Orchid,

2809

Diff between power trans and generating transformer?

1 3879

What are the tests to be conducted in the electrical installations

1 3905

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

RRB,

1 4304

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Un-Answered Questions { Electrical Engineering }

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1794

Explain advantages of storage batteries

1061

i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

2106

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1851

Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2850

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1900

what does a string of resistors in a series will do?

1176

why constant voltage transformer should be start without load? and if started then what will happen?

1997

what are the 4 rules to start the motor?

2051

How can a equal potential zone be carried out in conductors?

1289

I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1773

What’s electric traction?

1087

what is the use of the puls transformer in UPS & how it works???????????

2166

any earth foult trip the relay but in welding time not trip by earth foult

3127

HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1843

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