Refer to the drawing of a simple chromel-alumel thermocouple circuit. What is the effect on the thermocouple reference junctions if the chromel and alumel extension wires from the thermocouple connection head to the ___

Refer to the drawing of a simple chromel-alumel thermocouple circuit (see figure below).

What is the effect on the thermocouple reference junctions if the chromel and alumel extension wires from the thermocouple connection head to the reference junction panel are replaced with copper wires?

A. There will no longer be any reference junctions.
B. The reference junctions will be located in the temperature instrument.
C. The reference junctions will still be located in the reference junction panel.
D. The reference junctions will be located in the thermocouple connection head.

Show Answer

Answer: D

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