A centrifugal pump running at 1400 rpm has the characteristic curve shown in Figure P9.24. The pump will be installed in an existing line with known head requirements given by the formula H = 30 + 2 , where His the system head in ft and Q is the flow rate in cfs. The pump efficiency is 86%.
a. What is the flow rate if the pump is turning at 14 00 rpm?
b. What power is required to drive the pump?
c. What is the flow rate if the pump is turned at 1200 rpm?
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