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 Chatoliq Protection ?

Chemanol,

1 3714

What are the Safety Steps While Inspection the LT Panel.

1 7915

Why Dyn11 Transformer is selected for distribution transformer?

JK Associates, MSETCL Maharashtra State Electricity Transmission Co Ltd,

3 10979

Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1907

How to megger test 11 kV cable and the acceptance IR value

BVG, NFL, ONGC,

2929

what could be the reason of a burnt current transformer in an electrical panel

ERWAT,

1 2935

What is mean by staling?

UPPCL,

2 6440

how to calculate the battery AH

Turbo,

2722

what is reasion of harmonic create the power supply , And how to reduced to harmonic

Turbo,

1 3122

single phase power supply give to separate one steel coup with water, what reaction create

Turbo,

2040

Alternator couple to diesel engine why, Alternator couple to ac service motor with gear drive for 1500 rpm possible (yes or no) aim to low input power supply give to motor then high output power taken for alternator Please answer this question

Turbo,

1 3980

how to test the electrical panel.ht lt mcc pcc.

Ambience, Shivalik,

3737

Why scr and igbt used in ups systeam ????

JLL,

1 7042

why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2877

how to discharge 3 phase power factor correction capacitors

M S Ramaiah Institute,

2423

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Un-Answered Questions { Electrical Engineering }

what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

2006

we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

1694

sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

1979

What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1764

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

2334

What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?

1931

I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

2160

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1857

please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1786

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

2330

What does the term “voltage regulation” means?

1049

What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1972

excitation limit of an excitor

2003

errection check list for transformer maintenance

2562

What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

3974

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