## Fire hydraulics |

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Page 83

4.4

reading is 0.9 in. Hg. Therefore, for 12 ft, we will need 12 ft X 0.9 in./ft = 10.8 in.

Hg To convert this result into metric values, we use the conversion factor of 1 in.

4.4

**HYDROSTATIC FORCES**Solution For 1 ft of height the correspondingreading is 0.9 in. Hg. Therefore, for 12 ft, we will need 12 ft X 0.9 in./ft = 10.8 in.

Hg To convert this result into metric values, we use the conversion factor of 1 in.

Page 84

HYDROSTATICS Pi =V>\ >2 Figure 4.6 Hydrostatic pressure within the fluid and

at the wall horizontal area marked 1 is pushed by the water from the top.

Accordingly, the

surface.

HYDROSTATICS Pi =V>\ >2 Figure 4.6 Hydrostatic pressure within the fluid and

at the wall horizontal area marked 1 is pushed by the water from the top.

Accordingly, the

**hydrostatic force**is acting downwajd on that segment of thesurface.

Page 85

4.4

pipe pipe resistance half to show the area of the pipe wall in which the stress in

the material acts, helps to illustrate the problem. In the cut the acting hydrostatic ...

4.4

**HYDROSTATIC FORCES**"—▻-*•, pipe resistance hydrostatic P pressure inpipe pipe resistance half to show the area of the pipe wall in which the stress in

the material acts, helps to illustrate the problem. In the cut the acting hydrostatic ...

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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