Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the need of black rock stones under the transformer yard?

TNEB Tamil Nadu Electricity Board,

5 9321

What is the name of transformer oil?

18 14357

lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root of 2. now the question is, IS this above formula correct for both STAR and DELTA connected system???

1 3922

I have a 25 KVar capacitor bank at my facility.How to check the capacitor bank ??

2 13639

When we use a multimeter, while checking continuity of a closed circuit , what is happening inside multimeter, how it is working to produce a beep wheather it is closed or open.. is there any internaly voltage/current source inside multimeter?

TNEB Tamil Nadu Electricity Board,

3 6947

please send me last 5 year interview questions



why are maintine power factor 0.99 in Eb line? why are used capacitor bank in Eb line? what is the purpose capacitor bank?

TNEB Tamil Nadu Electricity Board,

4 11435

who & how the notations given as RYB to 3phase power supply.

1 3393

clarify types of motor operated valves and advantages


what is phase shifting transformer.

2 4379

How to find the voltage drop for short,medium,long transmission lines of a 33kv sub-station?

1 4872

can anyone help me regarding bout Electrical designs and calculations .. which text book should i follow as i am a trainee engineer.Description of my work which is Electrical designs like cable sizing, lighting, lightning, Gensets sizing, motor sizing, transformer sizing, generator sizing, circuit breakers, PDB MCC PCC SLDB MLDB panels, Single line diagrams mainly, substation desings, cable routing and layouts, reactive power compensations, power factor improvement, voltage drop calculations, power generations, power transmission, power distributions all calculations.Please help me

3 5261

what is electrical machines

1 2992

I would like to install the largest KW alternator to a 200 amp aluminum bus box in my home. Is it possible to install a 250 KW 400v 251amp synchronous alternator to my home?

2 2964

how to measure genset CT coil range?

1 3737

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the meaning of floating point earthing in battery backed systems ?


where rlc series ckt used?


why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding


Why do we need interlocking in a HT metering or Ring main unit switchgear?


Why ground terminal is used in pot meter 10k ohms


could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com


i want to know about torque of slip ring induction motor


what are the difference between PLC and embedded


WTA used cb?


what is the difference between changer, converter and transformer?


if flux and load static in dc motor and supply voltage increases 20% then what happened in speed


what is mean by dual digital protection in the relay field?


what is the voltage between earth & neutral in 3 phase electrical connection.


how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.


how does commutator convert a.c to d.c?