Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why cpaciter opposes sudden changes in voltage?and how?

1 3276

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 10859

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,

1792

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 9806

why single CT used in DOL starter power circuit?

2065

Wy transformer ratings are in multiple of 11 always?

2 3989

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

1569

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

1464

what is the differencce inn series and cascade connection??

4244

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

7 7104

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

1461

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 18506

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.

1444

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 3968

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

3 7918


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Un-Answered Questions { Electrical Engineering }

If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

1313


-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

1682


salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

1617


Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?

1806


What are electric motors?

659






sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1381


how to calculate the no load current in transformer?

1986


What will be the diameter of pipe between conservation tank and transformer

1462


what is capacitor voltage transformer?? how it is different from potential transformer?

1701


in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

2359


What is the effect of pd controller on system performance?

645


What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?

1640


How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

1410


i want wipro vlsi placement pattern please send me

1312


Name a govt approved university which have 100% online engineering course.

1275