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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 39586

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

42 137228

what is cathodic protection in Tank,and product pipelines?

4 12337

what is the meaning of rms value

24 32500

what is the use of neutral?

14 15780

How to calculat the size of copper& aluminium wire ?

5 8550

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 3037

what is the difference between megger and earth tester?

28 82123

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 21561

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

5 6530

what is relay

15 10793

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 6768

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 8440


6 7055

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IOCL Electrical Engineering Interview Questions

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