Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 7 (Q.No. 9)
9.
Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature ?
Chromel-alumel
Iron-constantan
Platinum-platinum + rhodium
Copper-constantan
Answer: Option
Explanation:
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