Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 7 (Q.No. 41)
41.
Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an
chromel-alumel thermocouple
optical pyrometer
radiation pyrometer
either (b) or (c)
Answer: Option
Explanation:
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