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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If the neutral wire go pass through the core balance current transformer? If yes then why? and no then why?

2 11725

What is the difference between power cable and signal cable (only Observation Difference)?

1 4434

why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

Avantha Group,

3 10451

374kvar capacitor bank connected across 600kw,6.6kv motor.what will happen if motor run at 50% , whether full kvar applied or half?

NTPC,

1 4369

why reactive power control is required

5 7844

In Slip ring Induction Motor we use Liquid Rotor Starter for Starter Every Time Liquid Filling we need add Soda Sodium Carbonate or only Distilled water is Enough.

2 9000

Our Slip Ring Induction Motor Frequently tripped By Earth Fault While Starting time and in Normal Operation Time also Kindly Let me Know the Reason. Application Ball Mill - Cement Mill

1 3484

What is the basic difference between AVR and stabilizer?

Gujarat Alkalies and Chemicals GACL,

2 10116

which capacity of RCCB used for five thousand watt electricity load?

1877

Is it advantages of having star-delta vfd than normal star vfd , if yes why?

2262

what is the principle of operation of tungstun bulb ??

1831

what is the principle of operation of CFL ??

IOCL,

2673

what is the principle of operation of tungstun bulb ??

IOCL,

2 5737

what is the principle of operation of domestic fan?? what is the role of capacitor in it??

5 7914

what is the principle of tubelight ??? what is the function of starter and choke ???

1 4883

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Un-Answered Questions { Electrical Engineering }

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2037

Why two phase welding machine is used instead of three phase welding machine.

1929

How To increase Knowledge Of boliler regarding To Only Electrical Field..

1623

where we use the SFU & FSU?

2419

Which type of motor is used in trains, what is the rating of supply used explain working principal?

1292

What is the emf equation of a transformer?

1260

neutral earth resistance testing is it possible for transformer while in load condition

1952

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

1144

What is ramp signal?

1111

how to deside the capacity of chock for drive?

2061

Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?

3052

different aspects of voltage stability

2067

On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

4380

hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

2102

what is submersible pump?what is different between motor and sub motor?

2064

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