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Which of the following best explains why a cyclone is placed ahead of a baghouse?

  • A.It collects the fine fraction the baghouse would miss
  • B.It reduces the total pressure drop of the system
  • C.It replaces the need for cleaning the bags
  • D.It removes the coarse load, sparing the bags

Answer: D

The pre-cleaner's job is to protect the expensive device rather than to meet the outlet standard itself. Removing the coarse fraction cuts both the mechanical wear and the frequency with which the cake must be dislodged.

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