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 buscoupler adopter panel????

5 9998

What is Exact meaning for Full load Efficiency and Maximum Efficiency of Transformer? Is there any Difference between? If yes ,please provide with formulae?

Techno Labs,

2 11486

What is the function of an exciter in a generator?

3 15450

What is an exciter and how does it work?

FCUK, Lotte Chemical Titan, TATA,

7 93634

What is the difference between MCB & MCCB, Where it can be used,

ACB Group, Badve, Bajaj Electricals, Hensel, Siemens, SR,

22 144865

What is encoder, how it function

Coca Cola,

9 54315

what r the checklist while installing a 380 kva DG set

Pepsi,

3859

what r the checklist while installing 500 kva transformer

Pepsi,

2401

I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

Armco, BEL, BGS, Biocon, BRB Cable, Crystalline Chemical Industries, DLF, Doshion, Electrical, Gold Roof, L&T, Lanco, MEIL, Oman Cables Industry SAOG, PK Services, Polycab, Sabic, SLV, System Electrical, Tata Motors, UEM, UMIC, Vega, Vertex, Voltas,

41 423675

what happens when a power transformer neutral earthing broken???

MacLellan,

11 23559

what is power factor? whether it should be high or low? why?

11 17502

what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

Aster Teleservices, Era Infra Engineering, Micron Electricals,

22 47721

what do u mean by bus bar?

6 12720

what is the relation b/w KW and KWH? plz explain with example.

FAG,

6 13967

what is the principle of operation of synchronous motor and generator? explain in detail.

Maruti Suzuki,

2 6411

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Un-Answered Questions { Electrical Engineering }

What is the height of DA, DAL, DB, DC & DDE tower?

2432

What is the use of iron core in a transformer?

1187

I want the details about BHEL company examination.Can anyone able to help me please.

2112

what is the difference between 4pole & 6pole DC Motors & give advantage ?

1958

why the protection turbo generators is most complex?

2114

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1990

Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?

2597

What is pole of the system?

1206

I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

2002

what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct

1921

Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4543

Define delay time.

1146

what is 30-phase of transformer

2376

If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

1568

What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

1841

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