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Assertion (A): A calibration database is specific to the substrate and process.
Reason (R): The same dye on a different fibre gives a quite different curve.

  • A.Both A and R are true, but R is not the correct explanation of A
  • B.A is true but R is false
  • C.A is false but R is true
  • D.Both A and R are true, and R is the correct explanation of A

Answer: D

Both are true and the reason gives the specificity, and process conditions matter too. A database cannot simply be transferred between installations. Substrate and process both enter the data. Local calibration cannot be avoided.

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