Answer / apoorv

no u r wrong , oil cools by d process of convection and external radiators. oil extracts the heat so heated oil is vapour which rises above and heat is blowed out

Answer / kalaiarasan

by ejecting the heat from transformer

Answer / arun

actully when xmer works there r two losses iron and copper loss due to these losses core and windings r heated and most of the wdg and core are immersed in the xmer so the oil will heatd this heated oil goes up and the cold one goes down this heated oil gives its heat to the walls of the xmer and from the wall it is given to the surrouding atmosphere like this continuous cooling is done by the oil

what is the cable capacity of any load wise .

2 Answers  

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when a hand crancked meggar is used to check most three phase induction motors, how many tests r rquired? Why?

1 Answers  

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why resistive load has unity power factor,inductive load lagging and capacitive load leading power factor?

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What are the role of each components in PID COntroller

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whether choke act as a voltage regulator in tubelight or not?

1 Answers   Bhel,

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what is the excess air in furnace

1 Answers  

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What are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.

1 Answers   UPSC,

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can i know how to design overcurrent setting and earth fault for 11kv & o.433kv system assuming tx 1000kva.

2 Answers  

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How to decide the fuse ratings for potential transformer

2 Answers   Eskom,

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What is best method of Calculating Short Circuit current in power system network.

1 Answers  

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testing of transformer

1 Answers   Vijai Electricals,

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for a 5hp motor to operate from 100kva generator ,what size of cable required in sqmm.

2 Answers   DSC, Indraprastha Gas Limited IGL, UltraTech,

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