Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to select a circuit breaker?

ABB, TCS, BARC,

24 44150

hoW to select a CT?

BARC,

4 11186

Dear all, kindly give me the details of leectrical design engineer course details/institute in hyderabad /any where in india.

Reliance,

1 2628




now-a-days which devices are using for converter

7 3480

What are the various methods for effecive earthing in a factory in a rocky terrain, where soil resistivity is extraordinarily high? The usual method of 3 m deep earth pits is not serving the purpose.

4 8869

What are the difference between C-Curve and D-Curve for MCB's.

Essar, GK companies, DLF, ABB, Nissi Engineering Solution,

17 167683

what is the difference between earthed and unearthed cable?

Essar, Torrent Power, Cords Cable,

24 36865

What is GD2(kg-m2) for Sq. cage ind. motor?

ABC, Essar, MMM,

2 33842




can you give main difference between ELCB And RCCB?

Reliance, Wipro, MCB Bank,

38 142712

what is cathodic protection in Tank,and product pipelines?

IOCL,

4 10116

Rotor is taken away from three phase induction motor and three phase supply is given to the stator.What will happen?

9 5736

Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

21 21768

how to control the generator output voltage? what r the condition should satisfy for synchronization?

HP,

7 18713

What is the generating voltage of a power station consided generally?

L&T,

20 26485

How a generator is positioned in a hydroelectric power plant?

Infosys,

10 15233


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Un-Answered Questions { Electrical Engineering }

All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

370


What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

757


What is the meaning of loop in transformer

359


A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

861


How do apply electrical 'c'license......pls advice

437






hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

697


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1306


how many parameters can integrate with fire alarm basically ?

730


How to calculate the phase to phase clearness of HT /// LT bus bar?????

767


what is difference between elr and R eartl realy.

966


the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

765


if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

729


how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

751


what is the difference betweem star connected motor & delta connected motor?

1053


which type of amplifiers are used in multimete?

833