For digested, primary, and waste activated sludge at 5 percent solids, calculate the upp...

For digested, primary, and waste activated sludge at 5 percent solids, calculate the upper and lower critical velocities. For a 6-in. pipe, 800 ft long, plot the head loss from zero flow to 600 gpm at 100-gpm increments. Label the upper and lower critical velocities, as in Figure 11-48.