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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?

2 6550

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

NTPC,

2009

how to calculate overall efficiency of diesel generator set? give us a formula with an example.

2 9402

To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

1922

what is humming noise and wha is the reason to develop humming noise in a mv pannel ?

HPL,

2 5435

why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

2270

what is the purpose of interpose t/f in control and relay ckts?

2 4832

what will happen when reverse reactive power occurs in alternators?

Reliance,

3 21836

how capacitor buield up the voltage

3 6755

what is the diff. between AVR & H.T.Stabilizer

2 5624

difine electrical ballast in HPSVL

2091

what is the clear formula to calculate cable size for a load

TCS,

1966

what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8620

What happens to an electric motor if it has poor or no ventilation. Will it burn out? If it will, how long it will run before it burn out?

GMC,

5 8110

Why we should not parallel the with EB

1 2556


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how rectifier transformer work in electroststic precipetatore(esp?

2652


# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

2003


hi, i have 3x200KVA and 2 x 80KVA UPS with battery bank of 150AH 68Nos. and 100AH 204Nos., i need to install AC either ductable or PAC type, so can you help me to calculate heat load and capacity of the AC to install.

2724


why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

1978


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

2603


On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

2656


What are the differences between single phase and three phase?

2044


Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

1666


why the protection turbo generators is most complex?

2046


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

1828


what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

2277


1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

2519


how can calculate 1kva generator running time in 1 liter keroscene

2616


Keywords: Die, Card, Coin, B/N 2 To 12

1280


how is capacitor bank look like

2405