A centifugal pump, impeller diameter 0.50 m, when running at 750 rev min−1 gave on test the following performance characteristics: Predict the performance of a geometrically similar pump of 0.35m...

A centifugal pump, impeller diameter 0.50 m, when running at 750 rev min−1 gave on test the following performance characteristics:

Predict the performance of a geometrically similar pump of 0.35m diameter and running at 1450 rev min−1. Plot both sets of characteristics.