It is desired to predict the performance of a large centrifugal pump from that of a scale model one fourth the diameter. The model absorbs 20 HP when pumping under test head of 20 m at its best speed of 400 r.p.m. The large pump is required to pump against 60 m head. The following will be the speed of the pump

Fluid Mechanics and Hydraulic Machines Mcqs

A.100 RPM
B.153 RPM
C.167 RPM
D.173 RPM
E.208 RPM

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