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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

MTDC,

2063

why shoud in High tension cable( above11KV etc.,)a semiconducting material coating will be there on insulation?

1 3465

How many watts required for single phase power supply?

4 12137

If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

Siemens,

1 3734

What is the power requirement of tamil nadu for one month?

2029

i have DEEE certificate in vinyaka misson unive rsity. is a INGNO if possible get the electrical C licences in Tamil nadu?

2191

what is lap & wave winding

1 4136

We know that primary transmission is done to reduce current so that i^2*r loss could be minimised but according to ohm's law v is directly proportional to i,which indirectly means higher potential difference means larger current?so how the current is minimised in high power transmission line??

2 5713

how to calculate busbar size? ex:11000kva main what is the busbar size ?and how to select the correct one

4 9213

why names such like dog ,rabbit, osprey,ant are used for conductors.

1 4699

What is the meager?

ABB,

6 23044

what is excitation/

ABB, Tata Steel Limited,

2225

how capacitor control the power factor/

ABB, Apollo,

2 6483

what is the function of turbo charger in disel generators

Kirloskar,

1 4994

explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 4696

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Un-Answered Questions { Electrical Engineering }

What are the advantages and disadvantages of the ac motors?

1131

What is difference between safe PLC and normal PLC

1615

What is transformation ratio what it describes?

1708

What is the difference between line drop and percentage line drop?

1573

State thevenintheorem?

1072

How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

2238

what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

3800

how to commissioning the genset with amf panel?

2411

What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

2347

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

2861

what is basic difference betmeen normal & flame proof motor??

2195

What is the difference between relays and contactor construction wise?

2258

distribution is maximum done by a)radial b)network c) parallel d)b & c

2023

what is electrical machines

3683

What is the necessary and sufficient condition for stability.

1137

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