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State whether the following is true or false.
A firing curve is a straight line from room temperature to the peak.

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

Answer: A

Correct answer: False

A firing curve has distinct segments, each set by something happening in the body: a slow rise while water and binder leave, a hold to burn out carbon, a faster rise through the inert region, a hold at peak for the reactions to complete, and a controlled cooling with its own caution around the quartz inversion. A straight line would be either needlessly slow in the safe regions or dangerously fast in the critical ones.

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