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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

On what factors the generating voltage depends ? Generating voltage are (3.3kV, 6.6KV , 11KV, 13.8kV) Why so ?

Bhel,

5 13127

HOW WOULD YOU PRESENT THE POWER FACTOR PRACTICALLY ON A GRAPH

Bhel,

4 10698

Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

Bhel,

2117

what is pole slip ?

NTPC,

4 20383

what are the types of sus station ?

NTPC,

13 23638

If current flows through conductor it produce magnetic field only.but if current flows through vaccum both magnetic & electrical field produce why ?

NTPC,

4 7012

Dear sir/mam Iwant complete details of Naintenence of 33kv/433v Transformer having 1250 KVa

1 4089

Hi, We facing one similar problem in our computers i.e we are newly constructed our design department after that shifted our computers but our computer desktop screen is vibrating. we are conducted our electrical maintainance person he told that is UPS problem, then we changed the UPS also again we are facing that problem in that room only. then we put lcd monitors that problem is solved. But in other monitors why the computer desktop screen is vibrating please give a suggestion to me. Regards, Raju.N.G

10 10500

In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

Bhel, IBM,

4 10373

How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

ABB,

4690

Why does the power consumed is always constant even if a fan speed is altered?

4 7882

how much insultion resistance 11kv cable.

3 7313

how much insulation resistance 11kv & 33kv under ground cable between earth to phase & phase to phase.

Siemens,

4 29523

Formulae for calculating the transmission line losses for different voltage levels

2131

Re: can you give main difference between ELCB 2pole And RCCB 2pole? And how this devices operated?

4 8761


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to select rating of HT Panel

1408


What does the letter CTNM in negative phase sequence relay means?

1762


thyristor controlled APFC panel design parameter?

1743


application s to shunt coil

1876


what is JE exam?

2108


do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

2033


What is the difference between line drop and percentage line drop?

1529


What are the special cables required for explosion proof wiring?

16601


why the rotor current becomes in steady state during high slip region? please verify with equations.

1940


What is the reason that the humming sound is coming from the induction furnace panel?

2559


Why hydropower is called renewable source of energy?

995


what is the difference between earth leakage and earth fault?

2261


calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

3520


in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.

2296


what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11610