Electrical Engineering Interview Questions
Questions Answers Views Company eMail


What is the max demand on your transformer and your company?

Bhel, CBRE, Core Consultants, HPL, IOCL, JLL, L&T, Lemon Tree, MNC, Rashmi, TATA, Tata Motors, Tata Power, Torrent Pharma,

10 50483

What is the power factor you maintain at ur organization?

Cummins, Exide, Johnson and Johnson, KTC, Microsoft, Powergear, Secure Meters, Suncity Strips, Wheels India,

43 77477

How do you connect the capacitors on polyphase circuits?

L&T, Transco,

10 36203

What is the make of breakers, transformers, generators? What are their capacities and ratings?

Bharat Bijlee, GHPPL, Tata Motors,

4 22633

Is your generator is automated or manual if so do you know the circuits?

RRB,

7 20733

What are the different sizes of cables for H.T and L.T side of supply?

Bhel, BSES, Karthik Industries, Lanco, Nedco, Shilpa Electrical Engineers, TATA, Torrent Power,

7 63449

Do you know how to measure the earth resistance? if so explain it

ABB, BEL, BridgeStone, College School Exams Tests, Dalkia, Dalmia Group, DEC, Electrical, Genpact, HEC, IOCL, JLL, L&T, MSEB, Saraca, Sical, Telecommunications, University Exams,

42 152662

What is meant by H.R.C fuse?

Gas Projects, GSCE, Taj Group,

40 181484

What are the different protection systems takes place on control panel board?

BSNL,

7 23482

What are the different ratings of the fuse units for different distributions at your organization?

TATA, UPPCL,

3 12979

What are the different protection systems used to protect the transformer internally and externally?

16 44940

What is the rating of your substation and what are the different types of substations?

Bhel, NTPC, UPPCL,

5 33844

What should be the earthing resistance of an industrial substation and also What should be the house hold earthing resistance?

Jindal, Pharma, TAAT, TATA,

20 93695

How do you maintain the earthing resistance?

Birla, Ford, JLL,

13 42984


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Un-Answered Questions { Electrical Engineering }

1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

1409


how does commutator convert a.c to d.c?

1758


What is the count of hvdc transmission lines in india?

620


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

9685


what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

1092






what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

1643


can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

881


If VFD is On but no starting commond on it. so how many outpout voltages of VFD

673


what is the role of energy meter in distribution system ?

663


what is die electric strnth of transformer ?

1638


In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1076


How to Decide(calculate) Bush bar size for copper and aluminiam ?

1678


what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

1360


what is frequency response?

640


Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

1575