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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

relation between power station capacity and voltage level?

2103

How can we determine or find out the proper size of any cable if nothing is mentioned on it.Calculation of size in Sq.mm???

1 3671

why we use star connection in HT motor? and delta connection in LT motor

npcc,

2 8639

How we calculate DC inducation moter Amp? Sir pls give me formula......

Superlite,

1886

is it possible to run the any motor when winding grounded? how?

1 3324

what is the use of back emf?

1 3520

How induction stove works?

1 2753

What is touch potential and step potential?

IRI,

2238

What will happen if i connect the delta winding motor to star input.

1 2593

How turns ratio test is done in three phase transformers?

2 4831

In a 11Kv/433Volt Delt-star step down transformer one one line(Line-B) of HT site is open & earthed on DP structur. What will be the voltage on LT side R-Y, Y-B,B-R and R-N, Y- N & B-N?. Please help to understand the problem with examples. Arvind , Jaipur.

1 4064

Pleasd Tell Me..... In Generating Stations Why The Generation Of ELECTRICITY Is In 3 Phase Form?? OR In Generating Station Why We Generates The ELECTRICITY In The 3 Phase?? Why Not In The 4 Phase, 5 Phase Or 6 Phase Form??

3 5517

How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

2169

which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 8382

where transformer is installed? a)generating station b)substation c)voltage regulating area

6 7345

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Un-Answered Questions { Electrical Engineering }

why do we put a transformer on soak before loading it

1193

Wt is the function of reactive power? How it generates & consume though resultant is zero?

1938

what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

3530

Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

1856

what is the terminal voltage of dc series generator running at rated speed at no load?

7741

how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

2087

Difference between field rheostat and armature rheostat.

1300

what is the differences between microprocessor and general purpose computer

2241

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1884

Please brief working principle & construction of permanent magnet AC Servo motor

2290

Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

2008

I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

2908

why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1983

what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

2081

Which types of gate insttaled in static switch. Please give me answer.

1672

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