80 gpm of water at 80°F are lifted 12 ft vertically by a pump through a total length of 50 ft of a 2-in-diameter copper line as shown in Figure P9. 16. The discharge end of the line is submerged in 8...

80 gpm of water at 80°F are lifted 12 ft vertically by a pump through a total length of 50 ft of a 2-in-diameter copper line as shown in Figure P9. 16. The discharge end of the line is submerged in 8 ft of water as shown. What head must be added by the pump?