Aperfect gas has a molecular weight of 2 and the specific heat at constant pressure is 14.41 kl/kg k. determine the values of rand co. take ř= 8.3143 kj/kmol-k.

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

Aseries piping system conveys methyl alcohol. the system consists of 70 m of 1- nominal pipe follow by 50 m of 2-nominal pipe, both schedule 40 commercial steel. the 1-nominal pipe contains 3 90° elbows (regular) anda fully open gate valve, all threaded. the pressure drop through the system is 150 kpa. determine the volume flow rate through the system that is horizontally laid.

List 3 options on how to reduce knocking problens during engine process,