Chemical Engineering - Process Control and Instrumentation - Discussion

5. 

Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

[A]. Nickel
[B]. Brass
[C]. Chromel
[D]. Invar

Answer: Option B

Explanation:

No answer description available for this question.

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