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### 9 Cards in this Set

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 What are 3 Reasons to know Theoretical Pressure Calculations? Better understand Fireground Methods; Predetermine Pressures of Preconnects & Common Lays; Pre-Incident Planning ____ + ____ = Total Pressure Loss Friction Loss + Elevation Pressure Loss/Gain What is the Primary determinant of Friction Loss? Volume of Water Flowing per Minute What are 2 Methods to determine Friction Loss? Actual Tests and Calculations What are 3 factors in determining Friction Loss? Size of Hose; Quantity of Water Flowing; Length of Lay What is the Friction Loss Formula? FL = CQ₂L What is the Elevation Pressure Formulas? .5H and 5 psi x (# stories - 1) ____ + ____ = Pump Discharge Pressure Total Pressure Loss + Nozzle Pressure Define Net Pump Discharge Pressure. Takes into account all factors contributing to amount of work pump must do; Difference between PDP and Incoming Pressure; PDP - Intake Reading