For atmospheric air, given: dry bulb temperature, 85℉; wet bulb temperature, 70℉; barometer, standard. the air cooled at constant pressure to 50℉. using psychometric chart, calculate the heat rejected. a. 12.5 btu/lbda b. 13.7 btu/lbda c. 10.5 btu/lbda d. 9.5 btu/lbda

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

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.