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 does the power consumed is always constant even if a fan speed is altered?

5 21633

WHAT IS THE DIFFERENCE B/WDYNAMO&ALTERNATOR?

IOCL,

6 10590

lllg,llg,ll,lg,lll which fault is severe and why?

COEP, GE, PSC,

10 71148

why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

2268

what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

HPL,

1 7009

What is technical difference between ELCB & ELMCB?

3 35802

how was the induction stove working?

3 6454

hi i m going to attend bhel interview on 22nd sep 2008 for ET(electrical engineering).pls guide me how to prepare for the interview.i am a fresher.

Bhel,

1 4233

Explain the working principle of Vacuum circuit breaker and Air circuit breaker

HP, Trinidad and Tobago Electricity Commission T TEC,

10 48871

Why not using Air circuit breaker at High tension side?

Wipro,

1 3599

What is diference between ELCB & ELMCB?Also how its application for use in design area?

2 19037

How can w select the cable size for different rating load & also waht r factors affecting the during selection of cable?

AB Inc, Bosch, BRB Cable, Lucas TVS, Trisome Technical Services,

11 38048

wht is this amps in power consuption and how can we convert that into consuption hours ? i am a sales executive of a energy saving lamps .

KSEB,

5 8563

wht is the difference between volatge and wattage ? how can it be converted ? (like 15w = 6v ) like tht... ? actually what tht means ?

3 6588

what is the fullform of mccb

Thermax,

10 22198

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Un-Answered Questions { Electrical Engineering }

difine electrical ballast in HPSVL

2168

What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

2107

How the over load setting for HT Motors calculated-provided in Numerical Relay

1886

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2188

how to increase or decrease speed in DC shunt motor by DC convertor

2325

What is formula calculation size cable wire ?

1996

Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

1665

Refernce currents are to be generated using refernce cueernts how can this be done

2320

Difference between Earthing Truck & Earthing trolly for HT panel

4452

why impedance relay is used for medium transmission line protection

2376

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

2521

What is the difference between solid grounding and impedance grounding?

2197

How we calculate DC inducation moter Amp? Sir pls give me formula......

1888

what is the difference between pvc & fiber glass cables

1615

why the pf of semiconductor device is improved the electrical devices

1892

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