Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how can we chack a capacitor in acircuit

2 4553

how can we chacke adiod in a circuit

2 3861

what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????

Reliance,

1 4903

what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

Reliance,

1902

what is power factor ?

KSEB,

12 15719

difference between ac and dc generators

4 7822

name 3 measuring instrument used in transformers

4 5878

what is JE exam?

1710

I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)

9 10292

what is the disadvantage if earth is connected to neutral

6 10676

If we connect the capacitor banks for DG set for maintainig the power factor, it will effect to alternator windings??????????

7 9995

How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.

10 24755

In case of 11kV dual delta bank what are the recommended protections with specific CT / VT requirements? The capacitor bank is to be connected to the main 11kV switchgear from where the H.V.Motors and auxiliary 440V loads.

1 2439

whatis the difference between electrical and electronics?

11 13427

Hai I have 2500KVA,Transformer,13.8KV/380.DELTA/STAR.How much load that I can take interms of current?How can I calculate also when I have loads in KW?

L&T,

10 15599


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Un-Answered Questions { Electrical Engineering }

how many stairs have you climbed while you were coming

1706


difference between servo motor and synchronous motor

1882


will there be any problem by recovering slip from single phase induction motors?

1439


Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1271


what the function breaker failure scheme, how is it operated

1432






I completed iti in2004 I was worked in A grade contractor can I get c licence

1270


can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

1365


Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

638


How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

4007


Why neutral cable carry current.

1526


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

1796


Mention what are the different colors on wires indicates?

769


why the name trunking bus PT

2499


How we can change the direction of rotation of Induction motor? Prove it using graphical

1628


why is control bus bi-directional?

1717