An image has grey levels in the range 54 to 180. The contrast is enhanced using contrast spreading, where the new grey levels are in the range 0 to 255. What would the new values be for pixels which had original values of 120?

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody

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