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State whether the following is true or false.
The stage at which a defect becomes visible is the stage at which it was created.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: C

Laminations, drying cracks and density gradients are all created early and only appear during firing. Assuming otherwise sends the investigation to the wrong end of the process. Where a fault shows and where it starts are different questions.

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