In this unit, we discussed how quality can be perceived differently by different consumers. That’s why it’s important that manufacturers know their target market. How do you define quality when shopping for new clothes? Explain.

For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.