Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

2 4311

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

1 4583

What is the use of 1:1 isolation t/f in any circuit...?

3 5627

cause of failure of transformer bushes

3 5394

What is flow meter?

2 4345

the problem faced on star or delta winding connection??

1923

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1921

If the soil resistivity is more large, how can we earthing our 11 k.v. transmission line?

2 4758

two 100W/230V bulb are connected in series. what would be the voltage drop across 1 bulb

6 8062

hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 5762

why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 4025

Why Transformer does not work in DC ?

5 10148

Why we use cosine angle for calculating power factor not in sine angle ?

4 15960

In how we connect watt meter for open & short circuit test of a single phase transformer.

Sail,

2 6712

if three phase supply is given to single phase transformer, what will happen?

3 6801

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Un-Answered Questions { Electrical Engineering }

how choose conductor&depending upon load

1904

why we can stote dc? why we cant store ac?

2080

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1905

How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?

1081

how to calculate magnetic force genrated by a coil ?

2202

How to calculate the heat load for a electrical room

3085

How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

2332

How to discuss the phase shift of transformer considering open delta?

1467

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2080

I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com

1843

HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1948

How maesure earth neutral value & how much maximum value value required in between earth & neutral.

2074

what is the k var ratting of 1250kva

2089

how to define tell me about self

1998

what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

3415

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