Concept explainers
The voltage across a thermocouple is calibrated using the boiling point of water (373° K) and the freezing point of Silver (1235° K), as shown in Fig. P1.34.
The junction temperature T and the voltage across the thermocouple V satisfy the linear equation
(a) Using the calibration data given in Fig. P1.34, and the equation of the line for the measured temperature T as a function of the voltage V and determine the value of the sensitivity a and the reference temperature
TR. (b) Sketch the graph of T as a function of V and clearly indicate both the reference temperature TR and the sensitivity a on the graph.
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