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 are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.

UPSC,

1 5734

What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 4280

Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 3829

Why and which type of tertiary winding is used in most of the power transformer?

2 5632

What is the basic difference between synchronous machine and induction machiine?

1 5634

Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?

2 5083

An alternator is started without excitation then how much voltage it will produced at strating at full rpm??

4 7107

Why the design of electromechanical energy conversion machines is based on the medium of conversion as megnetic field not as electric field?

2 5616

Why annealing is done on transformer core manufacturing process?

ISRO,

1 13263

What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 3742

What are various accuracy classes of CT(Current Transformer)

1 4936

What are the commercial names of overhead conductors used in India?

UPSC,

3 12037

why transmission is only 3 phase and not 2 or 4 or poly phases

Infosys,

2142

what is the use of vector group in transformer. means what r the application of various vector groups?

5 13213

What is the difference between MCCB and MCB ?

Siemens,

4 10083

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Un-Answered Questions { Electrical Engineering }

why does connected a indutor with mnsformeretering core of current transformer ?

2138

what things to be considered when designing UPS

1777

how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

3370

What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2824

I have finish diploma electronics and five years experience in electrical field in ht service how can i get c licensce or other electrical certificate

1691

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

2176

In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

2135

Explain different types of d.c motors? Give their applications

1127

What is Bolted fault?

2211

what's producer of XLPE cable laying in undergroung

2128

Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

5397

how you configure motorvision relay (L&T make)from DCS

4896

How can you sized or estimate the ligthning arrester current rating?

2133

List examples of voltage source?

1035

WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1759

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