1.

A chromel-alumel Thermocouple is asssumed to have nearly Linear operating range upto 1100oC with emf (reference junciton temperature 00C) 45.14 mV at this temperature. The Thermocouple is exposed to a temperature of 840oC. If the poteniometer is used as the cold junciton and its temperature is estimated to be 25oC. Then the emf indicated on the potentiometer is _____ mV.33.44

Answer» A chromel-alumel Thermocouple is asssumed to have nearly Linear operating range upto 1100oC with emf (reference junciton temperature 00C) 45.14 mV at this temperature. The Thermocouple is exposed to a temperature of 840oC. If the poteniometer is used as the cold junciton and its temperature is estimated to be 25oC. Then the emf indicated on the potentiometer is _____ mV.
  1. 33.44


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