Electrical Engineering Interview Questions
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why do some transmission towers have two insulators at one side and three insulators at the other side

2 3776

sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.


I am having a DG set.The 415 V from Generator is step up to 460 v and then the same is used for Induction furnace. before Step up, I am connecting LT load to my factory use. When Induction furnace is in service from DG, when i try to start a motor, the generator is tripped.Please tell me the reason.

3 4428

in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 9054

What is breather? why we use it ?

3 3947

How to set a Zone 1 distance relay for distribution feeder?

Schweitzer Engineering,


why tertiary winding is used in transformer with diagram?


why single induction motor is not self starter?

3 8165

for 644KW load which MCCB should i use

6 6993

what's the thickness of 1.5sqmm wire


1 4901

Give 3 phase transformer connections for 24 pulse rectifier using thyristors.


what is the difference b/w ground & virtual ground?



what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?


we use 3 phase supply for induction motor why not use two phase supply .


4 5899

how do the stepper motor works.


1 3414

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Un-Answered Questions { Electrical Engineering }

What does the term power factor shows?


What are books to be referred for KPTCL exam?


Why we cant store an ac power. If we coo store in which device we can?


What do you understand by external characteristics of a d.c. Generator?


What is marx circuit?


grr resistance & contrator malt continuous


1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating


can u describe the method used for protection of transmission line.


Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.


Can any body tell me the different types of LT cables & their application.


What is tranformer differtial?


What is Bolted fault?


i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com


What will happen if i replace a inductive proximity switch with photo sensor in a machine?


there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit