Discussion
Consider the following statements about firing.
1. Pyrometric cones measure heat work rather than temperature alone.
2. Dunting is caused by too rapid cooling through a phase inversion.
3. The firing curve is a single straight ramp to the peak.
Answer: A
The first two are correct. The third ignores the holds and rate changes that every practical schedule contains, each matched to something happening within the body. Each hold and each rate change has a reason behind it.
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