Q4 A bimetallic strip is to be constructed of yellow brass and Invar for the purpose of measuring temperature over the range from 0 C to 150 C. The length of the strip is 10 cm and each sheet has a thickness of 1 mm. Assuming that the strip is bonded at 30 C, calculate the deflection at the extremes of the design temperature range. Comment on the linearity of this temperature measurement based on an example.