In a particular industrial situation, a nicrosil-nisil thermocouple with nicrosil-nisil
extension wires is used to measure the temperature of a fluid. In connecting this
measurement system, the instrumentation engineer responsible has inadvertently
interchanged the extension wires from the thermocouple. The ends of the extension
wires are held at a reference temperature of 0C and the output emf measured is
21.0 mV. If the junction between the thermocouple and extension wires is at a temperature of 50C, what temperature of fluid is indicated and what is the true fluid
temperature?
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