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 the TNC switch is called as Memory switch

Reliance,

1 4281

how to understand the controling circuits example star- delta-starter controling daigram please let me know

GMR,

3 8573

how many earthing should give for transformer body and nuetral

GMR, GOMS,

5 9936

i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

2068

Is C.T will sense the current in both direction. As i know the C.T will sense the current in only one direction.

2 6153

What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

2081

Why the cost of CT increases with the decreasing of its CT Ratio (Technical Reason)?

Vedanta,

2 6397

How the size of transformer decreases if we increases the frequency?

2 5485

Can we use delta-star neutral grounded 3 phase power transformer bi-directionally.

GMR,

2 5845

how to synchronize 3 phase slip ring induction motors of different ratings.

GMR,

2348

can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.

GMR,

3 6314

1.differance between onload ups and off line ups.

CTS,

1 6332

want happens when a dc is given to a commutator

2 5478

A three phase transformer 460v primary 220v secondary (three phase four wire system.) Why did we get 460 volts across the neutral on the secondary side?

3 6975

I have 12MW gas engine based power plant its running parallel with grid. my problem is When cpp run in island mode(without geb) that time geb transformer power factor is 0.2 lagging. When cpp run with parallel that time power factor is 0.94 lagging So how can i maintain power factor ofgeb transformer in island mode 0.9 lagging?

SPCL,

1 2921

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Un-Answered Questions { Electrical Engineering }

In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

2080

why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

2078

hi i will D.E.E.E.is completed pls send rrb diploma old qustion papaer sent in my e mail. i.d.

2369

Define thermal resistance in the context of power amplifier.

1185

What are the factors influence the choice of an electrc drive?

2119

What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

1933

difference between high and low impedance BUS BAR relay??

1663

how to calculate transformer load?

2528

what is resver in electrical enginnering with answer

1779

how much cable size required for 70 kilowatt load.

1738

there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1974

Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

2267

What is critical disruptive voltage?

1369

Transmission through a short line depends on

2313

List of equipments required foe industrial repair lab.

1935

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