Looking at the pump curve in the figure, what is the efficiency (enter as a fraction) of the pump at 100 gpm?

Looking at the pump curve in the figure, what is the BEP (best efficiency possible) with the identified impeller (enter as a fraction)?

Looking at the pump curve in the figure, what is the maximum flow (gpm) with the identified impeller?

Looking at the pump curve in the figure, what is the maximum brake horsepower with the identified impeller?

If the operating flow of the pump with the given impeller is 180 gpm and the static head is 49 ft, what is the dynamic head (ft) at 100 gpm?

If the operating flow of the pump is 180 gpm with the given impeller and the static head is 30.7 ft, what is the hydraulic horsepower at 100 gpm?

If the operating flow of the pump is 180 gpm with the given impeller and the static head is 30.7 ft, what is the brake horsepower at 100 gpm?

If the operating flow of the pump is 180 gpm with the given impeller and the static head is 20.4 ft, what is the dynamic head (ft) at 100 gpm?

Looking at the pump curve, what is the NPSH required (ft) for 150 gpm?

What material will you use for the piping?