In ac which gas will be use?

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In ac which gas will be use?..

Answer / k.prakashchandra

Now Freon 22 is being used and it will be discontinued after
the year 2013 as it is also found to be harmful to ozone layer.

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In ac which gas will be use?..

Answer / arun

the sf6 gas is used during fult occur in a.c sub station

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