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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why energy storing capacity of magnetic field is much higher than electric field ?

1 6482

we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1913

types of transformers?

Torrent Power,

1 4804

we the the value of frequency is 50 HZ in DG then why we said the value inductive rectance is zero in DG?

1 3379

we know the value of the power factor is 0.8, we know the power factor is not depends upon the load ,then why we cant design the power factor in transformer ?

1 2627

diff b/w elcb and rccb

2300

Y phase plates are used in transmission line??? what is there need???

2922

How to know of any cable size if there are not written on cabl?

APGenco, El Seif,

1903

How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

El Seif,

2126

How much must be gape bitween 2 cable on cable tray?

El Seif,

1 2791

I NEED THE CABLE SIZE. I=800A AND P=315KW

ABC, Wipro,

2 6107

why phase plates are used in transmission line????

1 5957

Why squirrel case induction motor bar is skew permanently?

Nesco,

1 3120

Why does the rotor rotate?

Elin, OPTCL,

2275

Why does the rotor rotate?

Machino Polymers, OPTCL,

1 4249

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Un-Answered Questions { Electrical Engineering }

in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1834

how to determine ct ratio in ht vcb?

1846

Dear sir my name Ankit i m Diploma holder present working in Welspun Corp ltd Anjar as Asst.engg (salary 14400/month ctc) i Would like to change my company also i have selected in ford India pvt ltd Sanand as trainee Tech with salary 12000/month so please suggest me for changing my job hope for *ve response

2919

How to test lightning Arrester?

904

what is meant by skew width in machines?

2212

what is draiv work

1901

size of condotory fron voltage level

2216

is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1932

What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

2035

HOW TO CALCULATE THE VT SIZING?

3145

is it possible to start a motor in felid connected to a remote mcc

1932

explain all the classes with example

1963

1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

2296

why did youi choose this career?

2220

Classify drilling machines.

1162

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