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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why the TNC switch is called as Memory switch

Reliance,

1 3068

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

GMR,

3 6686

how many earthing should give for transformer body and nuetral

GMR, GOMS,

5 7161

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

1386

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 4504

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

1395

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

Vedanta,

2 4528

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

2 4167

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

GMR,

2 4167

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

GMR,

1576

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

GMR,

3 4576

1.differance between onload ups and off line ups.

CTS,

1 4644

want happens when a dc is given to a commutator

2 3474

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 5055

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 1799


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Un-Answered Questions { Electrical Engineering }

What will be the current if the resistance total in a series circuit doubles?

494


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

1474


Why we are going for converter transformers for DC drives application instead of distribution transformer?

1292


What is the purpose of using busbar mounting fuse?

1442


why is control bus bi-directional?

1512






in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4

1457


what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

1247


what is harmonics? what are the factors it will depend upon

1364


How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

1376


what are the differant std sizes of cable trenches?

1346


What is electrical grounding?

447


How much earthing frequency is capable?

1389


i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

1624


what is the meaning of WYE and DELTA in Electric meter?

3101


hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

1276