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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

cost of operation of which plant is least?

6 8580

on whcih cycle does gas turbine works?

2 4670

power generation unit kw/hr or kw/day ?? please answer me engr_kalam@yahoo.com

3 5006

for measuring current and etc.,why we use value of 1.732 in three phase calculation. not in single phase.why

Bhel,

3 20877

What is Electrical Engineering?

L&T, NTPC, Wockhardt,

13 18944

. Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person

2 4855

what is meant by servo motor ? how its operating either AC or DC?

2978

What is the specification of service line (ie from electrical post to cut out) used by electricity boards used in india.i mean which material,its size etc.. please give the answer at lalkishan.p@gmail.com

1919

what is the difference between Miniature circuit breaker & motor control circuit breaker ?

4 9010

Define early construction of human being

1875

no of rotrs poles in salient pole synchronous machine

3 5292

please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

1933

WHEN I AM CONNECTIN TWO ELCB IN PARALLEL.ONE ELCB TRIPPED...HOW IT HAPPEND??

5 10815

What is the difference when selecting a cable between AC and DC current?

ABB,

13 54653

Details about Flux Compensated magnetic Amplifer starter for motors

1979

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Un-Answered Questions { Electrical Engineering }

What are the significant parts of dc generator?

1090

What is the relationship between voltage,current & frequency?

1724

What is the count of hvdc transmission lines in india?

1056

how to calculate single phase motor efficiency ?

2122

In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

1963

am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

1804

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1977

what is the difference between b c d curves on mcb

1766

Define cuttoff frequency?

1032

1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

2474

what will happens if one phase is missing for 33/11kv power transfomer and why?

2605

is it value of power factor is more than unit. whats effects in the source supply

2044

What Maximam Gap Taibaar & Bush

2272

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1922

working principle of AC Servo Motor with its construction

8847

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