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The gas flow divided by the total fabric area in a baghouse is the air to _____ ratio.

  • A.cloth
  • B.fabric weight
  • C.dust
  • D.bag

Answer: A

Correct answer: cloth

The air to cloth ratio is the volumetric gas flow divided by the total fabric area, and despite its name it has the units of velocity. It is the primary sizing parameter of a baghouse: fixing it and the gas flow fixes the fabric area, and hence the number of bags, the size of the casing and the capital cost.

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