Question: A bimetallic strip of yellow brass and Monel 400 is bonded at 120.F. The thickness of the yellow brass is 0.012 ± 0.0002 in, and

A bimetallic strip of yellow brass and Monel 400 is bonded at 120.F. The thickness of the yellow brass is 0.012 ± 0.0002 in, and the thickness of the Monel is 0.015 ± 0.0001 in. The length of the strip is 7 in.
a. Calculate the deflection sensitivity defined as the deflection per degree Fahrenheit temperature difference.
b. Using the numerical finite difference method to calculate the partial derivatives and estimate the uncertainty in this deflection sensitivity.


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