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 the acceptable insulation resistance for motor/transformer?

Reliance, Tata Motors,

2 5420

what is the effect of higher value of GD???

VEPL,

1795

Why battery rooms painted with dark colour

BAL, MSETCL Maharashtra State Electricity Transmission Co Ltd, Polycab,

1 5746

why the transformer primary terminal indicated by u,v,w.to technical reason

JNTUK,

2 3799

Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.

Balavigna,

1753

Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

MPPTCL,

1758

why to need a electrical earthing?

2 3411

What is the ladder circuit?

Mitharg Information Systems,

1 2958

A electrical meter has load 500 kw. In 2 hr what rading will come on meter.

2 3575

I want definition for ABT Meter (Availability Based tariff) ?

Radha Regent Hotels,

1998

What is balance beam relay ?

Roman,

2 4545

how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

Harshal Electrical,

1705

why do MCB melt but not tripped in lighting highmast??

AHPCL,

1 3046

How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?

Tata Power,

1919

why there using acb enclosure in big buildings

Tata Power,

2096

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Un-Answered Questions { Electrical Engineering }

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

2301

What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1637

Explain The Application Of Storage Batteries?

1147

how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

2067

why we are using earth pit in sub stations.?

2167

what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11708

please send me previous year questions of jspl through which i could prepare myself for the test.

1873

one electromagnet is called

1928

How to calculate impedance volt in Transformer?

2085

What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

2267

Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.

2203

What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

2325

What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1983

What happens to a motor if it is connected in Delta connection

1059

Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?

4073

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