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 on delay timer used for fully automatic star delta starter?

1695

Type of motor stater detail and working detail

1661

How capacitor improves pf

1712

What is use of starter and choke in tube light

1772

What are disadvantages of capacitor

1 4579

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1578

Difference between Lugs and Thimbles

ABB,

15207

how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1575

How to find HT side and LT side(of a transformer),with the help of a voltmeter?

Odisha Power Generation Corporation OPGC,

1 6283

do we use neutral grounding for resistive balanced load? if we use what happen?

NFC,

1796

While miss missed name platform fo electric motor how to calculate simple fourmul,?

ABB, ABC,

1 3131

Neutral to earth and phase to earth voltage how much.

2 3889

we have one 75kw motor 380 volt 3ph amp134 please advise which size of cable required

2 3250

Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

Altra Power,

1839

Hello every one I am currently working in IT side but i have an offer to work under 'A' license holder and he says i can get c license what is the use of c license and what shall i do after getting it basically i am an electrical graduate please help me shall i leave this it job and work in electrical maintenance will i have a good future i am confused Thank You in Advance

1 2364

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Un-Answered Questions { Electrical Engineering }

How it can worked plc based electrical system And which type of software using.

2115

Draw torque - speed curve and load curve of induction motor? mark operating point ?

2057

what is cathodic protection and why it use in industries?

2289

what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

2101

What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1144

why the pf of semiconductor device is improved the electrical devices

1845

what is the function of bearing in dc mchine" and where it is placed

2582

How servo stabilizer works.

2119

Difference between drift current and diffusion current?

1874

Basic motor transformer generator

1489

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

4033

i have interview in Pepsi company what type of question will ask please send the question and answeer

3467

What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

2076

What are test signals and their significance?

1133

Inductor and capacitor........power in one phase and ...... in it another phase.

2142

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