Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Please explain open transition and closed transistion system in Star delta Starter?and also the state difference of both?

4 10542

what is the question paper model for section engineer in RRB



Can a 5 core cable one end with a 32A 3p+N+E plug and the other end 32A 3p+E be used on a generator?

1 2029

What is the use of Isolation Transformer, and Neutral is using for return path, finally this current is going.... but same time the voltage of the neutral should be below 1 V...

6 7801

Dear All, Pls let me know about ELR.... CBCT is using for singnal purpose... How it works.. any body can explain pls.......

4 10901

What do you mean by linear and bilateral network?

OPTCL, Infosys, Disa, TICT, Automation, EGCB,

20 123788

if the HR asked to me., you have got 92% in higher secondary but got only 72% in engg whats the reason??what should i have to say ..please help me..

Honeywell, Wipro,

8 6285

why making capacity is more than breaking capacity?

Essar, Indo Asian, Infinity,

13 20622

what is inrush current in transformer?

Bhel, Essar, GMR,

17 29909

what is electric current

17 7040

what is the capital of india

eInfochips, Reliance,

13 9384

what is surge suppressor?


5 4936

how to write program by ladder logic in case of PLC operation

Gridco, Sofcon,

3 14437

how power saving takes place through VFD?

9 10080

If i want to build 230kv substation what are the equipments to be installed?

7 10583

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Un-Answered Questions { Electrical Engineering }

if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?


As i want some model question paper in basic computer science and history please send me immediately sir


If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?


How to design CT for connected with Transformer OLTC operation? normally CT output design for 1A/5A range but during OLTC Tap position changing time how to function the CT?


what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?


In motors how many types of cooling systems were used?


Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?


what is the purpose of high speed earth switch in gas insulated substat


how can see the ac indoor or out door ac which Tr


why the India electrical supply transmission loss is high when compare to us


i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com


What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.


Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?


In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc


If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines