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Cover image for Basic fire hydraulics workbook
Title:
Basic fire hydraulics workbook
Personal Author:
Publication Information:
Clifton Park, NY : Delmar Cengage Learning, 2009
Physical Description:
x, 278 p. : ill. ; 28 cm.
ISBN:
9781428319998

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30000010206275 TH9311 R52 2009 Open Access Book Book
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Summary

Summary

Designed for practicing critical hydraulic calculations, Basic Fire Hydraulics Workbook, combines graphics, concise explanations, and step-by-step examples and exercises to help both beginning and experienced pump operators learn to calculate quickly and accurately while under pressure on the fireground. The book begins with simple math concepts and progresses toward more complex topics, such as engine pressure, friction loss, and drafting operation. Realistic scenarios are incorporated into each unit to provide context for the various math calculations presented, and make this a handy companion to Hydraulics for Firefighting or any hydraulics book.


Table of Contents

Introduction
Unit 1 Basic Math Emphasis
Addition
Subtraction
Multiplication
Division
Fractions
Percentages
Quick Math Answers to Exercises
Unit 2 Basic Math Formulas Emphasis
Areas and Volumes
Ratio
Proportions
Square Roots
Hypotenuse
Answers to Exercises
Unit 3 Principles of Hydraulics Emphasis
Principles of hydraulics
Kinds of fluid pressures
Head = 2.304 x pressure
Back Pressure = .434 x head
Back Pressure in high rise buildings
Answers to Exercises
Unit 4 Velocity and Volume Emphasis
Velocity = 8 x ?
Head Velocity = 12.14 x ?
Pressure Volume = .7854 x D  x h or l
Find gallons when the diameter and height (or lengths) are in inches: Gallons = .0034 x D2 x h
Find gallons when the diameter is in inches and the length in feet: Gallons = .0408 x D2 x h
Find gallons when the diameter and height or lengths are in feet: Gallon = 5.8748 x D2 x h
Force = Pressure x Area (F = P x A)
Answers to Exercises
Unit 5 Discharge in Gallons Per Minute Emphasis
G.P.M. = 29.7 x D2 x vP G.P.M. = F x vNP (F = tip factor, a constant)
Discharge from an open butt
Sprinkler G.P.M. = 1/2 P + 15
Cellar nozzle
Estimating Needed Fire Flow (NFF)
Answers to Exercises
Unit 6 Fire Streams Emphasis
Straight and Fog Streams
Horizontal Reach H.R. = vHF x P
Vertical Reach V.R. = vVF x P
Nozzle Reactions = 1.5 x D2 x N.P
Fog Nozzle Reaction = .0504 x GPM x ?
Pressure Weight of water in 50 foot section of hose = 17 x D2
Weight of water = .34 x D2 x 1
Answers to Exercises
Unit 7 Tips and Pressures Emphasis
Find Tip Size knowing Pressure and G.P.M using (Constant 29.7)
Find Tip Size knowing Pressure and G.P.M. using (Constant 30)
Find Nozzle Pressure with G.P.M. and Tip Size
Fire Hydraulic Triad Model Combining Tips: 8+s method and G.P.M. method
Efficient G.P.M. through Hose
Answers to Exercises
Unit 8 Calculate Friction Loss Emphasis
Friction Loss
Four Rules of Friction Loss
Calculating Friction Loss
Calculating Friction Loss
Constants Answers to Exercises
Unit 9 Calculate Friction Loss
G.P.M. Method 2Q +Q
Emphasis: G.P.M. Charts Friction Loss = 2Q  + Q
Calculate Friction Loss under Various Conditions
Answers to Exercises
Unit 10 Calculate Engine Pressure: Factor Method Emphasis
Factor Method Engine Pressure = NP/F x LL's + NP
Calculate G.P.M.: GPM = F x vNP
Answers to Exercises
Unit 11 Relay Pumping Emphasis
G.P.M. Relay Pumping Factor Method
Relay Pumping
Answers to Exercises
Unit 12 Hydrants Emphasis
Hydrant Information
Hydrant Potential
Water Sources and Systems Information
Answers to Exercises
Unit 13 Drafting Operation Emphasis
Maximum Lift Net Pump Pressure
GPM Method Factor Method
Altitude Pump Capacity
Answers to Exercises
Unit 14 Calculate Friction Loss
G.P.M. Method 2Q 
Emphasis: Friction Loss = 2Q 
G.P.M. Tables
Calculate Friction Loss under Various Conditions
Answers to Exercises
Unit 15 Calculate Friction Loss: Hose Coefficient Method Emphasis
Friction Loss = C x Q  x L
Coefficient Tables
Calculate Friction Loss under Various Conditions
Answers to Exercises
Unit 16 Hydraulics: Just For Fun
Solving Problems
Answers to Problems
Hydraulic Crossword Puzzles
Hydraulic Wordsearch Puzzles
Hydraulic Crossword Puzzle Answers
Hydraulic Wordsearch Puzzle Answers
Unit 17 Review Quiz Emphasis
Introduction Practical
Applications Practical Applications Answer Sheet Method of Solving Practical Applications
Appendix A Solutions
List of Principles and Rules List of Formulas Miscellaneous Charts
Table of Weights and Measures Abbreviations and Symbols
Appendix B
References
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