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Discussion

The Deutsch-Anderson equation relates precipitator efficiency to

  • A.Air to cloth ratio and cleaning frequency
  • B.Area, gas flow and migration velocity
  • C.Pressure drop and fan power
  • D.Cut diameter and inlet velocity

Answer: B

Efficiency appears as one minus an exponential in the product of area and migration velocity divided by flow. Because the relationship is exponential, each further increment of efficiency costs disproportionately more plate area.

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