How is NPSH calculated with regards to the performance pump curve?
A. NPSH is the maximum flow rate at zero flow.
B. NPSH is the ratio of the liquid horsepower to the brake horsepower.
C. NPSH is normally based on evaluation with water.
D. NPSH is calculated using atmospheric pressure, vapor pressure, liquid height, and pressure drop.
A. Incorrect. NPSH is calculated using atmospheric pressure, vapor pressure, liquid height, and pressure drop.
B. Incorrect. NPSH is calculated using atmospheric pressure, vapor pressure, liquid height, and pressure drop.
C. Incorrect. NPSH is calculated using atmospheric pressure, vapor pressure, liquid height, and pressure drop.
D. Correct. NPSH is calculated using atmospheric pressure, vapor pressure, liquid height, and pressure drop.
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