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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why cpaciter opposes sudden changes in voltage?and how?

1 3969

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 11858

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,

2336

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 11994

why single CT used in DOL starter power circuit?

2524

Wy transformer ratings are in multiple of 11 always?

2 4902

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

2032

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

1953

what is the differencce inn series and cascade connection??

4726

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

7 8996

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

1880

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 22641

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.

1872

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 4689

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

3 9148


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the use of oil in transformers?

1101


What is the problem of internal failure in ship engine telegraph system norcontrol?

2404


Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1722


Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

1966


What is the function of the circuit breaker failure relay?

2377


What is dielectric loss?

1140


As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3640


What are the advantages and disadvantages of the ac motors?

1124


bsnl tta exam question

1874


In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

2242


What is rotating magnetic field?Discuss elaborately.

2647


What is the minimum underground tank size capacity considered for firefighting purpose?

1958


WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

1786


What are the various types of BUSBAR Schemes? explain each

5327


What is the formula to calculate distribution transformer De-rating on iron losses basis

1844