What will be the change in its efficiency and other parameters of a ONAN transformer if it changed to ONAF transformer ?

3 Answers   Tesla,

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before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

0 Answers  

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Hello sir. if u have electical engineering exam paper then plz mail me at bhumika_1187@yahoo.co.in. i m appearing exam for HPCL.

1 Answers   HPCL,

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How to select a contactor? How many types of contactors are available

0 Answers   TCS,

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what is elevation lamp?where its used?

2 Answers   Essar,

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How does a television work?

0 Answers   Siemens,

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If i=10+10sin314t then find the rms and average value of current with explain?

2 Answers   Heptacare, TCS,

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What is the use of iron core in a transformer?

0 Answers  

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what is the preventive maintence for ht panels and busbars and vcb abd acb's.

0 Answers   Future Group,

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What is the difference between split AC and Casste AC?

2 Answers   NTPC,

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wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

0 Answers   FLS,

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why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.

0 Answers   Sail,

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