Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why cpaciter opposes sudden changes in voltage?and how?

1 3235

Use of electrical theorems (thevenin's,norton's,millmen's,superposition,reciprocity, Maximum Power Transfer theorem,Compensation Theorem) IN REAL LIFE???(IF YOU KNOW EXACT OR CORRECT ANSWER).

College School Exams Tests, L&T, PESIT, Wipro,

2 10812

Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?

Deccan Cements,

1762

We are using Powerica make 100 KVA DG set. Whenever i connect compressor on DG load (Compressor Make Atlas Copco 5.5 kva) that time we face the lot of fluctuation on Dg output. Can you please suggest me how can prevent this fluctuation?

6 9641

why single CT used in DOL starter power circuit?

2040

Wy transformer ratings are in multiple of 11 always?

2 3949

is the value of inductance depends upon the value of thitha in doubly excited machine??

1543

what happened when we supply a dc current in dc motor?? can it worked properly?

1423

what is the differencce inn series and cascade connection??

4212

why the rating of transformer in only KVA not in others?

7 6987

is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1435

I have seen 1 video in which a person getting shock while standing at top of a train,i have 1 question? why the people sitting in the train doesn't get shock while that man getting shock from top of the train? How the earthing of train works?

Bhel,

17 18284

Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

1413

What is the better way of passing 400 amp from sending end to receiving end ? By overhead line or underground cable and why ? if underground cable then how much depth require ?

Aditya Birla, HCL,

1 3926

What is auto changeover and how it works plz write details.

3 7845


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Un-Answered Questions { Electrical Engineering }

How much load can take a 16 mm aluminum cable 3 phase

1235


What is the de rating factor of cable? What is the importance of the de rating factor in cable select

1858


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

1529


What is the different between digital phase converter and ordinary phase converter?

635


can u describe the method used for protection of transmission line.

1594






What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2168


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1391


when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1242


WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?

3487


We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

1711


How stabilizer works??

1615


'documenˁ

1492


What types of high speed CMOS circuits have you designed?

1608


what r the checklist while installing a 380 kva DG set

3298


Why 3 phase induction motor getting supply in body if one of it's phase is cut

1250