Which one of the following conditions will result in the greatest increase in volumetric flow rate from a positive displacement pump operating at 300 rpm and a discharge pressure of 100 psig?
A. Increasing pump speed to 700 rpm.
B. Decreasing pump discharge pressure to 30 psig.
C. Starting a second identical positive displacement pump in series with the first.
D. Starting a second identical positive displacement pump in parallel with the first.
Show Answer
Answer: A
Share your understanding of this question with the correct explanation.