## Exercise 1.2 A

Determine the coefficient of linear thermal expansion of the metal tube. What metal the tube could be?

Answer: $22\cdot{10^{-6}}\frac{1}{℃}$

## Exercise 1.2 B

Determine the coefficient of linear thermal expansion of the metal tube. What metal the tube could be?

Answer: $13\cdot{10^{-6}}\frac{1}{℃}$