An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?
Correct answer: A. Constantan
- A. Constantan
- B. Kanthal
- C. Chromel
- D. German silver
Explanation
The copper-nickel alloy used for this thermocouple composition is called constantan. Constantan is commonly near 55% copper and 45% nickel, so the stated 60:40 composition is a close variant.
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