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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What products have you designed which have entered high volume production?

645

What was your role in the silicon evaluation/product ramp? What tools did you use?

 759

If not into production, how far did you follow the design and why did not you see it into production?

Bharti, Havells,

782



what is the reason of power development in synchronous generator due to saliency ?

 1 5049

How is a 100 MVA transformer cooled?

 9 15569

What are the main Electrical IS rules?

3 6666

when we increase load , current drawn from source also increases why ?

5 15406

what is the difference between earth and neutral?

HCL, Emerson, Bhel, L&T, TVS, Siemens, JLL,

56 114541



What is thyristor?

 13 16362

What are the technical reasons for soaking transformers for various times before allowing them to pick load after a fault ?

GE,

3 28964

what is the instataneous value of voltage in a 3-phase balanced star connected circuit?

 6 7485

At which conditions a synchronous motor acts as a synchronous condenser?

KSEB,

9 18171

What is the power ratio between power in Star and Delta circuit?

ST Micro,

11 32439

For an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?

8 13597

In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

 9 9140

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Un-Answered Questions { Electrical Engineering }

Is it possible to make a 5P10/ CT Ratio 50/1A Burden 5VA

370

What is ST and specify its range of voltage.

657

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

872

anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

921

how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.

1017




What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

1037

what happens to the supply voltage if there is any change in frequency?

4064

What is the vector group of a transformer,how can it be found out?

762

What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

707

we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

458

Grid fault level [KA]?

1289

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

693

How can I known multiplying factor .without multiplying table

480

why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?

1579

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

412

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