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Pump from Tank and Hydrant. The student must follow the visual and radio instructions to start flowing water, first from the tank, and then from the hydrant. You the instructor determine the proper pressure setting and several more options, such as hose length, diameter, tank GPM, etc.
Fire Pump Calculation Practice Questions Provides a large selection of free eBooks in different genres, which are available for download in various formats, including PDF.
1 Οκτ 2012 · Pump operators must understand how a proper fire stream is developed and how each part is applied. Learn fire pumping calculations and equations.
EP = Elevation Pressure +5 psi - every floor (excluding 1st) - 5 psi - Below 1st floor (basements, etc.) +5 psi - every 10 of elevation -5 psi - every 10 drop of elevation L = Length of line (÷ by 100) Rules of Thumb Calculation Considerations C = Coefficient of hose 1 - 150 1½ _ - 24 1¾ - 10 2½ - 2 3 - .8 5 - .08
1⅞ _ 900 162 PSI 80 Gallons Per Minute ….for Hydrant Pressure = 29.7 [C(d2•√FP)] 2 1000 200 PSI 100 GPM Generalizations Use Volume mode when: 2 or more 2½ ^ or larger hose lines are used unknown, assume the following: Pumping at 70% or more of pump capacity Only applies to dual stage pumps (i.e. E31)
Fire Ground Hydraulics Worksheet. Answers can be found in Hydraulics Section of the Drill Manual. 1. Basic Pump Pressure Formula: = + 2. Nozzle Pressures: Hand lines with smooth bore nozzles = psi Deluge, monitor nozzles, or water equipped with a smooth bore tip= _psi All adjustable or FOG nozzles = psi Foam Application = psi
By Paul SPurgeon. Every Pump Operator’s. Basic Equation. Educational Objectives. on completion of this course, students will. learn how to develop a proper fire stream. Define friction loss and explain two ways water flows through hoses. Describe two friction loss formulas used by fire departments.
