14. Is a cubic inch larger or smaller than a cubic centimeter? 15. Is a quart smaller or larger than a liter? 16. A meter is _____ times larger than a centimeter. 17. A centimeter is _____ larger than a millimeter. 18. Convert following US customary measure- ments to metric: A. 18 inches = _____ meter B. 4 feet = _____ meter C. 10 inches = _____ centimeters D. 453 cubic inches = _____ liters E. 2.5 cubic feet = _____ liters F. 346 cubic feet = _____ cubic meters 19. Convert the following temperatures from degrees Celsius to degrees Fahrenheit. A. 85°C = _____ °F B. 5°C = _____ °F C. –10°C = _____ °F D. 46°C = _____ °F 20. Convert the following temperatures from degrees Fahrenheit to degrees Celsius. A. 105°F = _____ °C B. 46°F = _____ °C C. –24°F = _____ °C D. 12°F = _____ °C Suggested Activities 1. Practice measuring the length of various pieces of pipe using both the US customary and the metric scale. 2. Calculate the actual length of pipe required for a variety of typical installations. Include fitting allowances. 3. Compute the volume of a standard tank for water heating or other plumbing installations. Chapter 4 Mathematics for Plumbers 85 Copyright Goodheart-Willcox Co., Inc.