In the described capacity test, the design net pump pressure is specified as 150 psi. Which statement is true?

• A. It is not important
• B. It is the standard test pressure
• C. It should be 200 psi
• D. It should be 100 psi

Answer: (B)

The test centers on delivering a defined net pump pressure while proving the pump can meet its rated capacity. The design net pump pressure sets that target pressure for the capacity test, so using 150 psi as the standard test pressure means the evaluation checks whether the pump can deliver its rated flow at that specific pressure, accounting for real-world losses in hoses and fittings. Testing at this fixed pressure provides a consistent benchmark across different pumps and ensures the design requirement is met. Choosing a different pressure would assess a different scenario, not the established capacity rating. Therefore, stating that this is the standard test pressure is the correct interpretation.