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

Electrical Engineering Interview Questions

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hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

2221

why no load characteristics of generator also called as occ

1 5057

why occ characteristics of generator is also called as magnatization characteristics ?

2041

Why LVDT have secondary windings connected in differential 1. Higher out put 2. Based on the out put voltage-/+, helps to identify the direction of displacement 3. To establish a null/ reference point

GATE, PSPCL,

1 5876

what kind of quetions will ask in BHEL in interview? Plz help me?

Bhel,

2073

what will happen if we double the input frequency of a transformer keeping the voltage constant?

6 24175

TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

Bhel, NTPC,

5454

i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 5081

why power dissipation is due to low frequency?

1 3649

why we don't discuss power facter in dc?

5 8716

the resstance of a thermistor is 5000 ohm at 25degreeC and coefficient is .04/degCel. A measurement with lead resitance of 10 ohm will cause an error of

GATE,

1 3786

why no load voltage is greater than full load voltage?

1 6640

What are the various reasons for an inductin motor to get heated?

Monnet,

1 4031

name of good resistance material

1 3787

How to measure corona loss in a transmission line?(Plz ans only if u know the exact answer)

3 10004

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Un-Answered Questions { Electrical Engineering }

our industries ht line so power fluctation(once drop of power please rectify causes

2190

what is the use of sdf?

2062

Which device of PlC does share load between DG sets when DG are running in perallel?

2007

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2045

What is step signal?

995

What is the real function of reverse power relay in generator panel while syncronising?

2135

What are root loci?

1052

what are safety measures in /control in diesal engine/ explain them?

1742

Can we convert off line transformer to on line transformer

1949

what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

2233

What are the specifications for getting approval of Substation?

1886

If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

2037

what is the acceptable limit value for Desolve Gas Analysis/

1934

What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

1851

what is the voltage between earth & neutral in 3 phase electrical connection.

1907

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