At room temperature (20 degrees c) a 0.5-mm gap exists

betweenthe ends of the rods shown. at a later time when

thetemperature has reached 140 degrees c determine (a) the

normalstress in the aluminum rod, (b) the change in lenth of the

aluminumrod.

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false