Answer / student skill

Parrafinic or naptha

Answer / som

Transformer oil or insulating oil is usually a highly-refined mineral oil that is stable at high temperatures and has excellent electrical insulating properties. It is used in oil-filled transformers, some types of high voltage capacitors, fluorescent lamp ballasts, and some types of high voltage switches and circuit breakers. Its functions are to insulate, suppress corona and arcing, and to serve as a coolant.

Answer / sameer sehgal

Polychlorinated Diphenyl

Can We Apply DC POWER To Transformer???? And Why????

4 Answers  

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wat is d first thing to be seen 2 lay a cable in a particular area??

1 Answers  

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can we measure +,-.zero sequence current ....? if so how can ???

2 Answers   NLC,

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How to specific gravity of battery will check, i didnt saw any hydrometer. & say me how to dip into the battery what are the specifications are given in the hydrometer?

1 Answers  

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Why to keep capacitor bank off while generator running.

0 Answers   GIT,

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why voltage will come different in phase?

3 Answers   HP, Vissa,

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What is working principle of ACB and VCB?

9 Answers   Greenko, HCC,

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How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

0 Answers   EnPro,

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How wti of transformer works?

5 Answers   Vedanta,

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

0 Answers  

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what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

0 Answers   IIT,

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