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 5733

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 3827

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 5631

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

2 5082

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

4 7103

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 13262

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 4934

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

UPSC,

3 12035

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

Infosys,

2140

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

5 13212

What is the difference between MCCB and MCB ?

Siemens,

4 10081

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Un-Answered Questions { Electrical Engineering }

What is mean by STUB protection?

2063

Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

1719

Write down the brushes of a de machine.

1895

How can we calculate ac current from the given DC current when AC voltage is given?

1952

How many types of probe used in cro?

1208

What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1931

I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience

1640

please send me last 5 year interview questions

2195

How would you relate your key competencies to this position?

2218

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1897

What is inrush current?

1176

What is Load sharing of Transformer ?

2036

my b-tech percentage is 50%. what answer will satisfy the hr ?

2107

When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

2093

If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.

1969

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