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 9600

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 11136

What is the function of an exciter in a generator?

3 15103

What is an exciter and how does it work?

FCUK, Lotte Chemical Titan, TATA,

7 93151

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

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

22 143046

What is encoder, how it function

Coca Cola,

9 53695

what r the checklist while installing a 380 kva DG set

Pepsi,

3762

what r the checklist while installing 500 kva transformer

Pepsi,

2277

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 420872

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

MacLellan,

11 22760

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

11 16597

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 46308

what do u mean by bus bar?

6 12314

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

FAG,

6 13526

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

Maruti Suzuki,

2 6140

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Un-Answered Questions { Electrical Engineering }

wat is meant by PX class in ct?

1999

is there any role of power factor with frequency variation? and how we can manage the frequency variation?

2025

Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

2040

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1941

sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1850

why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?

2043

ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

2047

what are the basic insulation levels & what its Unit

1966

why we are not giving the zone 1 trip command to the master trip relay

1707

How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1822

what is the difference between droop mode and ischnorous mode in thermal powerplant?

2624

it is possible to measurement of tension of slipring induction motor(SRIM)carbon brushes, any maesuring instruments are available in the markets.

1959

why is the conservator tank painted white on the transformer

3144

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1990

What are the advantages and disadvantages of the dc motors?

1086

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