Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is meant by insulation voltage in cables? explain it?

ABB,

4 19729

In distribution transformers, fuse wires are very thin when compared to conductor size. How it's possible?

4 11344

is it possible to convert electrical energy to light energy for transmission purposes?

7 8663

What is power factor? Whether it should be high or low ? why?

9 33271

define the non synchoronism of synchoronous machine in general g or m??

1832

Generally transformers has delta primary and star secondary. But in some transformer i saw Star primary and delta secondary. what is the reason for chosing like this?

2 4173

what are the colour's and their indications in bucholz relay?

4 11842

how tubelight circuit is connected and how it works?

Punj Lloyd Ltd,

7 54777

what is the working principle of electrical motors?

4 30037

what is our body resistance value?

Bhel,

11 42297

is there any lightning by passer is arranged in ship like buildings?

1897

what is the purpose of neutral grounding resistor (NER) and why?

CBRE, Square Textiles,

8 49636

what is static electricity and how it generates?

2 5409

what is the reason for earthing static equipments? why?

3 9928

what is phase voltage and line voltage? in line voltage how 415v is obtained?

9 91428

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Un-Answered Questions { Electrical Engineering }

What are the main faults of DC generators?

2933

pls,send the previous year written test questions.

1887

Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

1862

We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

1954

WRITEDOWN FEW RELY CODES

2231

when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

2028

What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

2857

I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1644

if i am in front of transmission line how to know that current direction without any equipment

1719

In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1372

Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

2088

What is the automatic voltage regulator with servomotor?

1993

explain types of electric welding and its applications

1735

What will happend if given Vfd out put to step up transformer

1772

1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

2092

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