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7. A cement plant located at Perak has been found to be violation of particulate discharge standards. A mechanical shaker baghouse has been selected for particulate control. Oneeight of the bags are taken offline for cleaning. The manufacturer's recommended air-tocloth-ration for cement plants is 0.010ms1. a) Estimate the number of bags required for a gas flow rate of 20m3s1 if each bag is 15 cm in diameter and 12m in length. b) Explain why baghouse is appropriate to control dust from cement plant