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State whether the following is true or false.
A batch that needs a shading addition still counts as a failure under right first time.

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

Answer: B

Correct answer: True

Right first time means the batch met the standard without intervention, so any shading addition counts as a failure however small it is. The definition is deliberately strict, because an addition costs a sample, a measurement, a decision and a second heating - and the machine is occupied throughout. Counting only full redyes as failures would conceal most of the loss.

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