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Power Grid Electrical Engineering Interview Questions
Questions Answers Views Company eMail

1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 2624

1.what is the contact resistace of CB ? 2.radioactivity should be mesured with---------?

3 5777

what is STUB protection in tranmission system and switch yard area?

9 71648

what is the difference betn earthed and unearthed cables which is commanly used why?

2 6604

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 32994

which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

3 4929

name the famous power plants present in A.P

1 2170

what will happen when power factor is leading in distribution of power?

10 20611

what is the order of mgnetiation current in a current transformer of 1000A/1A ratio?

2 4613

can we connect both delta and star to the transformer secondary and for what reason?

5 7702

How would you supply a single house hold load from a 3-phase supply coming out of a sub-station?

4 7271

How would you supply power to a village which is very far from a sub-station and has only a 11k?

4 6999

diff.between servo motor and ac motor

1563

What happens if the capacitive reactance of a transmission line is very high?

5 13917

What is R/X ratio? I have heard that this ratio is higher in a radial distribution system.Why is it so? I would appreciate a word. Thank you

1 20043

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Can any one send me the sample test papers of IOCL entry exam to be held on 6th july 2008. Also plz send the interview questions that cud probably be asked........i wud be highly obliged if u can send a few test paers and other stuff @ inderjeetd@gmail.com.........Inderpreet

2212


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403