For a given fluid, as the pipe diameter increases, the pumping cost ____________________?
Correct answer: A. Decreases
- A. Decreases
- B. Increases
- C. Remain unaffected
- D. May increase or decrease depending upon whether the fluid is Newtonian or non-Newtonian
Explanation
Increasing pipe diameter reduces frictional resistance and therefore the pumping head and power required for a given flow rate. Although a larger pipe may cost more to install, its operating pumping cost decreases.
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