Capacity of FD fan।। कैपेसिटी ऑफ FD फैन।।How to calculate Capacity of FD Fan।।

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[@Narendra_Rajpoot123]

Bahut badiya

[@parmarpankaj8651]

Xcellent

[@PremKumar-py7hm]

How can find out velocity of a flue gas in a chimny with the help of stack kit.Please explain.