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What is LEL and UEL?  

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Ulhas
(@uloplo)
Eminent Member Admin
Joined: 6 months ago
Posts: 35
20/11/2018 8:42 pm  

The minimum concentration of vapors, gasses and dust in air below which propagation of flame does not occur on contact with a source of ignition is called LEL.

The maximum proportion of vapors, gasses and dust in air above which proposal the flame does not occur on contact with a source of ignition is called UEL


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