1. Air at 35-C and 120 kPa enters a 20·50 cm sheet metal conduit at a rate of 6 m3=s. What pressure drop is to be expected over a length of 120 m?
2. A pressure drop of 6000 Pa is measured over a 20 m length as water at 30-C flows through the 2 · 6 cm smooth conduit. Estimate the flow rate.