Question:medium

What is the use of pyrometric cones in the Kiln?

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Pyrometric cones do not measure temperature directly like a thermometer. Instead, they measure 'heat-work,' which is a more accurate gauge of how a ceramic piece has matured during firing.
Updated On: Feb 18, 2026
  • Checking color
  • Measuring temperature
  • Checking the colour of ceramic body
  • Checking the firing quality
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The Correct Option is B

Solution and Explanation

Step 1: Pyrometric Cone Basics.Pyrometric cones, small ceramic pyramids, soften and bend within a kiln based on temperature and time.
Step 2: Purpose of Pyrometric Cones.These cones visually signal the kiln's achieved temperature and adequate heat-work (time and temperature combined), essentially measuring the firing process's progress and temperature.
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