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Process Control and Instrumentation
Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature
emf produced is very low of the order of microvolt.
embrittlement of iron occurs.
rusting of iron takes place.
both (b) and (c).
Correct Answer:
both (b) and (c).
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