Develop solid practical math skills needed to succeed in the heating and cooling technology field with this updated resource that presents critical information in a way that is straightforward, easy-to-understand, and most importantly, meaningful to the reader. From basic arithmetic to using formulas, Practical Problems in Mathematics for Heating and Cooling Technicians, 5th Edition covers all of the mathematical concepts that technicians are likely to encounter in their everyday, on-the-job tasks. Packed with hands-on exercises and the HVAC-R-specific terminology that previous editions are known for, this updated edition includes references to the latest technology, geothermal systems, as well as zone heating and cooling. Readers will walk away with a thorough understanding of need-to-know math concepts, as well as confidence that they can apply what they have learned immediately and effectively.
Author(s): Russell B. DeVore
Edition: 5
Publisher: Delmar Cengage Learning
Year: 2008
Language: English
Pages: 293
Tags: Математика;Высшая математика (основы);Математика для инженерных и естественнонаучных специальностей;
Front Cover......Page 1
Title Page......Page 2
Copyright......Page 3
CONTENTS......Page 6
PREFACE......Page 10
Calculators......Page 12
Hints about Estimating......Page 13
Introduction to Measurement......Page 14
Unit 1 Addition of Whole Numbers......Page 16
Unit 2 Subtraction of Whole Numbers......Page 22
Unit 3 Multiplication of Whole Numbers......Page 27
Unit 4 Division of Whole Numbers......Page 32
Unit 5 Combined Operations with Whole Numbers......Page 37
Unit 6 Addition of Common Fractions......Page 42
Unit 7 Subtraction of Common Fractions......Page 53
Unit 8 Multiplication of Common Fractions......Page 60
Unit 9 Division of Common Fractions......Page 66
Unit 10 Combined Operations with Common Fractions......Page 70
Unit 11 Addition of Decimal Fractions......Page 76
Unit 12 Subtraction of Decimal Fractions......Page 82
Unit 13 Multiplication of Decimal Fractions......Page 86
Unit 14 Division of Decimal Fractions......Page 90
Unit 15 Decimal and Common Fraction Equivalents......Page 95
Unit 16 Combined Operations with Decimal Fractions......Page 100
Unit 17 Ratio......Page 104
Unit 18 Proportion......Page 108
Unit 19 Percent and Percentage......Page 115
Unit 20 Discounts......Page 120
Unit 21 Equivalent Units of Temperature Measure......Page 125
Unit 22 Angular Measure......Page 133
Unit 23 Units of Length Measure......Page 141
Unit 24 Equivalent Units of Length Measure......Page 147
Unit 25 Length Measure......Page 152
Unit 26 Area Measure......Page 163
Unit 27 Equivalent Units of Area Measure......Page 173
Unit 28 Rectangular Volumes......Page 183
Unit 29 Cylindrical Volumes......Page 191
Unit 30 Ohm’s Law and Electrical Relationships......Page 196
Unit 31 Gas Laws and Temperature of Mixtures......Page 205
Unit 32 Heat Load Calculations......Page 213
Unit 33 Stretchouts of Square and Rectangular Ducts......Page 225
Unit 34 Stretchouts of Circular Ducts......Page 234
Unit 35 Lengths of Arcs of Circles......Page 242
Unit 36 Trigonometric Functions......Page 251
Unit 37 Graphs and Graphing......Page 264
Unit 38 Estimates and Bills......Page 273
Section I: Denominate Numbers......Page 284
Section II: Equivalent Values......Page 289
Section III: Instruments for Measuring......Page 296
Section IV: Formulas......Page 298
Section V: Heat Transfer Multipliers......Page 303
Section VI: Trigonometric Functions......Page 304
GLOSSARY......Page 305
ANSWERS TO ODD-NUMBERED PROBLEMS......Page 308
