For salety, the lights on your vehicle must be in good working condition. Which statement abou
checking your lights is true?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

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.

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.