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Automatic blowdown control adjusts the rate according to the

  • A.flow of steam leaving the boiler
  • B.measured conductivity of the boiler water
  • C.temperature of the flue gas
  • D.pressure in the boiler drum

Answer: B

Conductivity stands proxy for dissolved solids, so a controller can hold the concentration just inside the limit instead of blowing down on a fixed and generous schedule. Manual blowdown is almost always more than is needed.

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