Engineering Board Exam Reviewer · Fluid Mechanics · medium
A centrifugal pump delivers 50 L/s at 1450 rpm. If the speed is increased to 1740 rpm, what will the new flow rate be?
- 72 L/s
- 86.4 L/s
- 60 L/s
- 41.7 L/s
Answer
C. 60 L/s
Solution
Q N: Q2 = 50(1740/1450) = 50(1.2) = 60 L/s.
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