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IOCL Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the max demand on your transformer and your company?

10 36227

Do you know how to measure the earth resistance? if so explain it

42 132108

what is cathodic protection in Tank,and product pipelines?

4 11769

what is the meaning of rms value

24 30581

what is the use of neutral?

14 14690

How to calculat the size of copper& aluminium wire ?

5 7936

why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 2651

what is the difference between megger and earth tester?

28 76658

megger generates D.C. voltage while earth tester generates A.C.voltage is it true? I know for megger it is D.C generator but what about earth tester?

4 19799

I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.

5 6054

what is relay

15 9704

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.


Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 6054

1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

3 8056


6 6515

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IOCL Electrical Engineering Interview Questions

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