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
Available:*
Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
---|---|---|---|---|---|
Searching... | 30000010206275 | TH9311 R52 2009 | Open Access Book | Book | Searching... |
On Order
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 |