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Bourry's diagram plots

  • A.applied pressure against green density in a die
  • B.shrinkage against water content during drying
  • C.temperature against elapsed time in the kiln
  • D.particle size against the cumulative percentage

Answer: B

Correct answer: shrinkage against water content during drying

Bourry’s diagram plots the shrinkage against the water removed and shows the two regimes as two straight portions with a knee between them. The first portion has shrinkage tracking water loss almost one for one; the second is nearly flat. The knee identifies the critical moisture content, so the diagram tells the operator exactly where the drying schedule may be accelerated.

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