Technician A says that the connecting rod and main bearing caps should be marked before removing to ensure that they can be installed in the exact same location when reassembled. Technician B says that the tip of the valve stem should be filed before removing valves from the cylinder head to help prevent damage to the valve guide. Who is right

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

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false

An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature