📊 Process Control And Instrumentation
Q. Dome temperature of blast furnace stove is most accurately measured by a
  • (A) Radiation pyrometer
  • (B) Platinum-platinum/rhodium ther-mocuple
  • (C) Iron-constantan thermocouple
  • (D) Platinum resistance thermometer
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✅ Correct Answer: (B) Platinum-platinum/rhodium ther-mocuple

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