Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How will you calaculate the Ct ratio based on connected load 500KVA,and 11KV supply ?

3 13050

what is the diff. b/w balanced and unbalanced load..?

12 53257

what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 7668

why power is generatd at 50 hz only..? can we do this on another freq...?

7 9832

What will happen if we give DC supply to AC motor?

9 38076

What will happen if we give AC supply to DC motor?

4 14331

What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

2063

In case of power/distribution transformer what is percent impedence?

1 3936

If we increase frequency in transmission line in lieu of voltage what will happen?

1 5150

How can be decreased the size of transformer?

6 8468

which type of material is used to transformer laminated core?

6 13912

What is fault level?How it is calculated and how it is Expressed?

2 5196

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

ABB,

2415

What are the special protection given for high capacity Motor, more then 10mw

2 4440

What happens if a +vely charged particle is placed in the centre of a room and assume that the north side wall is having magnetised with north polarity and south side wall is magnetised with south polarity. In which direction the particle will move

BSNL,

5 8179

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Un-Answered Questions { Electrical Engineering }

what is interpose? where it is used and why it is used?

1092

what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

2335

How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

2078

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

2041

why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1842

How much load can take a 16 mm aluminum cable 3 phase

1807

what is apparent poewr, reactive power, & active power?

2427

what is the need of starter in tube light and what type of starter is used in that?

2096

How colour picturetube works & how many year it will works.

2100

how to store the thunder power?

4581

If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

2276

Why strting torqe high in inducation motor?

2205

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2772

Why you want to join non technical field when you are an engineer?

6818

What are the advantages of the three-phase motor over single phase motor?

1165

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