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 safe meggar values for motor, transformer HT, LT and Cables?

IOCL, Jindal, TATA,

12 51547

how to calculate the megger values for motor, cables and transformers?

ITC Infotech,

2 30814

why induction generators are used in wind mills.why cant synchronous generators b used??

2 4989

is it necessarry to charge the battery of ups always??

3 5379

why transfromer rating gives in MVA Or KVA? Why not in MW or KW?

GIL, Siemens,

6 22380

why we define potections of Tourbo generator in Class A & B.

GIL,

1 3307

what is leading and laging please in details

3 6115

what is the difference between synchronous & asynchronous generators

Emco,

1 4896

why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

3 23326

Is Softbitonline HT Transformer Design Software is AutoCAD compatible?

1 4693

What is the difference between Rectifier & Converter?

Bajaj,

12 94599

what is power factor? how can we correction the power factor if this is high or low? If anyone know please please send the answer on my email id ( kumarkirshan@in.com )

5 8222

What shocks us , Current or voltage?

21 24655

can we transmit power with out cable if it is possible how it is possible.

2 4760

Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

1884

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Un-Answered Questions { Electrical Engineering }

if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1781

r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1671

if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1932

What are the weight of 800KV DA,DB and DC type tower ?

3079

What is the need of generator relay panel

2025

What is float cum boost charging system?

2006

what are the stresses in circuit breakers ?

1968

What is cathode ray oscilloscope (cro)?

1082

How will change the frequency in distribution side?

1742

What it the purpose of parallel phasing transfomers??

1936

what are carbondioxide and dcp used in fire extinguishers

2013

what is the advantages og idmt relay over magnetic relay??

4187

Why power factor should not be in leading (capacitive) mode of any load.

6859

what are the problems that generally occur in power flows??

3158

hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

1897

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