1.

Consider the following data relating to the performance of a centrifugal pump: speed = 1200 rpm. flow rate = 30 l/s, head = 20 m, and power = 5 kW. If the speed of the pump is increased to 1500 rpm, assuming the efficiency is unaltered, the new flow rate and head, respectively, will be

A. 46.9 l/s and 25.0 m
B. 37.5 l/s and 25.0 m
C. 46.9 l/s and 31.3 m
D. 37.5 l/s and 31.3 m
Answer» E.


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