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 is the reason for using 110 volt and 60 hertz ac supply for using power distribution in America?

Electro Tech,

2 5051

What is use of reactor..how it is help ful in electrical system .....brief explain

1 4020

how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

3336

how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

1924

What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...

Greatship,

1 3660

how terminal voltage increases when load is capacitive (leading pf load)? (explain practically what is happening, not using phasor diagram

1 3913

Utility company give the supply to customer in KVA but bill them for Watt.why?

L&T,

1 5112

what is difference between neutral and ground wire?

TCS,

2 5224

explanation of mesh bus bars

Eskom,

2167

how many joint can done in HT line and what is life of the joint

Micro Labs, Reliance,

2231

why generator efficiency is more in swinburnes test?

2208

If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link

Marafiq,

2121

what is real power and reactive power?

3 5395

how to calulate multiplying factor if meter ratio is /5 ampere and ct ratio is 100/5 ampere.(our supply is 3 phase 415 volts)what is multiply factor?

Vivek Engineers,

3 6441

Which type of questions well asked. ?

1704

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Un-Answered Questions { Electrical Engineering }

300m long and 30kw inductive loade 3phase supply how many size cable required

1434

What is the unit of magnetic flux density?

1180

WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

2124

what happened when we supply a dc current in dc motor?? can it worked properly?

1954

what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

2093

Form S and "c" license application both are same? @ tneb portal

1843

Why HT 11 KV Slipring Motors are connected in star ?

2221

what are types of encoder

1876

In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

2016

What is the role of power pack in substation protection system?

2699

what is the purpose of high speed earth switch in gas insulated substat

2992

How many types of probe used in cro?

1208

how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

5993

What is the formula of frequency ?

1467

How can calculate the rating of a alternator for a given specific load with formula

2343

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