A compressor system takes atmospheric air at 5.0C and supplies it to an air distribution system. The system is at steady state. All pipework is cylindrical and made of high density polyethylene. There is 50 metres of 300mm diameter inlet pipe, and 200 metres of 150mm diameter outlet pipework. There is no change in elevation in the system. The molecular weight of air is 29.0 kg/kgmol, and its viscosity can be taken to be 1.8105Pas throughout the system. All pressures in the diagram are gauge pressures. Determine: - The mass flow rate (in kg/s ) of air entering the inlet (section 1) - The density of the air at the inlet (in kg/m3 ) - The volume flow rate of air entering the inlet (in m3/s ) - The average velocity of the air entering the inlet (in m/s ) Note - all density values used in the calculation must be calculated as part of this calculation