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 meaning of 'A synchronous motor floating on line'?

2 22680

how to calculate the no. of turns in secondary side of CT?

1 6813

Between Turbo alternator and Hydro alternator which one is more difficult to cool and why?

2 15542

Between AC generator(alternator) and DC generator which can be designed for high voltage and why?

1 4964

How damper winding in synchronous motor suppress Hunting?

Bhel,

2 26154

Which is stiffer between salient pole rotor and cylindrical rotor synchronous machines? Justify your answer.

1 14714

Which theory is used in the analysis of salient pole rotor synchronous machines? Who is credited for this developement? Could the same theory be used for cylindrical rotor synchronous machines?

1 6783

Why alternators are rated in KVA?

12 39932

Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 11844

What is the need for checking knee point voltage for CT's?

1 4664

ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

2166

what are the main problems that happen in an emergency light and how to fix them ?

2 5971

Without seeing the nameplate descriptions of a rotating machine,Is it possible to say which one is a motor and which one is a generator? How would you certain this?

3 6762

How the speed of synchronous motor changes with the variation of load?

1 6054

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 16889

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Un-Answered Questions { Electrical Engineering }

why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?

1967

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1916

how to calculate fuse rating for a motor

5735

What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

2683

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

1128

I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

1995

what is different between relay and plc?

5890

describe the Operation of induction generators from bus bars

2390

Single line diagram for dbb (double bus bar)system.

2016

We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

1589

Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

2220

what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

2072

work of choke in florocent tube circuit ?

2198

where the lexical paramater will use in fron end?

1932

What is pi controller?

1252

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