Electrical Engineering Interview Questions
Questions Answers Views Company eMail

will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 1311

what is diff b/w electrical & electronics ?

Bhel, UltraTech,

6 4059

what is the formula to convert from KVAr to current?

Halcrow International Partnership,

1 2005

What is auto reclose system in Circuit breakers

1 1677

1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?

1 2469

hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 1340

why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

3 14223

What is the function of semicon in 33kv ht cable ?

Finolex, Denson,

4 8997

what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?



in dc transmission the frequency pi is zero, then how it will transmit communication signal?

1 1268

time constant of RC series circuit?


2 1416

In PT the coil is wound on?


3 1810

galloping in transmission line is due to


2 1574

aeroline vibration is present


1 1159

What is the importance of counter based plan & how is it scheduled?



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Un-Answered Questions { Electrical Engineering }

Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.


why does the magnetic balance tests at transformer?


What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.


Is there any specialised book to refer about fault level calculation both in MV and LV side??


How much dc volt applied in cathodic protection system?


What is Antipumping Function & If we have C.T how we find the Ratio ?


Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics


Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 


While testing LA mast,What are the parameter limits ?


How to calculate cable size in HT AND LT


sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai


by what factor the starting current is used when comparing star and delta connection for motor starting?


sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company


what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/


Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail