Prove that the stress tensor is symmetric tensor i. e prove that Zyx=Zxy
Zxz=Zzx
Zyz=Zzy​

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.

What precautions should you take to prevent injuries when dealing with heavy loads?

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false