## Fire hydraulics |

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Page 71

Using Equation 4.1, we have p = y X 7 = 166 ft X 61.7 lb/ft3 = 10,242 lb/ft2 (or psf)

In the fire service pressures are generally expressed in pounds per

because most pressure gauges are calibrated in that unit. To convert pounds per

...

Using Equation 4.1, we have p = y X 7 = 166 ft X 61.7 lb/ft3 = 10,242 lb/ft2 (or psf)

In the fire service pressures are generally expressed in pounds per

**square inch**because most pressure gauges are calibrated in that unit. To convert pounds per

...

Page 132

Hence our result in pounds per

29.5 psi 6.9 kPa/psi 6.5 BRANCHING LINES On the fire ground it is often

necessary to approach the fire with a main supply line and branch out near the

end into two ...

Hence our result in pounds per

**square inch**is 204 kPa ___ . Ptoss = ,„1P , . =29.5 psi 6.9 kPa/psi 6.5 BRANCHING LINES On the fire ground it is often

necessary to approach the fire with a main supply line and branch out near the

end into two ...

Page 186

FIRE STREAMS pressure, usually in pounds per

known, the discharge flowing through the nozzle at a known kinetic energy may

be computed by combining the kinetic energy formula (Equation 5.5) with the ...

FIRE STREAMS pressure, usually in pounds per

**square inch**. With the diameterknown, the discharge flowing through the nozzle at a known kinetic energy may

be computed by combining the kinetic energy formula (Equation 5.5) with the ...

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### Contents

MATHEMATICS FUNDAMENTALS | 2 |

THE BASICS OF COMBUSTION | 28 |

PROPERTIES OF WATER | 46 |

Copyright | |

6 other sections not shown

### Common terms and phrases

atmospheric pressure Bourdon gauges brake horsepower cavitation centrifugal pump combustible computed converted cubic deliver density Determine diameter discharge efficiency elevation difference energy grade line energy loss engine Equation 4.1 Equation 6.7 Example fire apparatus fire fighting fire flow fire hose fire hydraulics fire service fire stream FLOW IN PIPES fluid foam formula friction loss ft3/sec gauge head loss heat energy height horsepower hydrant hydraulic grade line hydrostatic force hydrostatic pressure impeller inlet kinetic energy length manometer measured meters momentum multiplied nomogram nozzle nozzle pressure outlet parallel percent PIPES AND FIRE piston Pitot tube pounds per square pressure loss pump operator pump pressure pumper reservoir result revolutions per minute shear stresses shown in Figure Solution sprinkler square inch steel pipe suction line surface Table temperature tion torque tube unit weight valve vapor pressure velocity viscosity volume water hammer zero