Discuss reverse engineering of manufactured products with respect to the following aspects. 1. economics 2. legal, including copyright laws 3. reverse engineering as a means of stimulating innovation

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

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