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Name: Class: Date: Chapter 01: Historical Introduction to Plastics Copyright Cengage Learning. Powered by Cognero. Page 1 1. In the Middle Ages, common products made by horners were ____. a. horse shoes b. lantern windows c. gas lights d. musical […]

Name: Class: Date: Chapter 10: Molding Processes Copyright Cengage Learning. Powered by Cognero. Page 1 1. What is the principal process for converting plastics into products? a. lamination b. injection molding c. liquid resin molding d. compression molding ANSWER: b […]

Name: Class: Date: Chapter 11: Extrusion Processes Copyright Cengage Learning. Powered by Cognero. Page 1 1. The word extrusion is derived from the Latin word extrudere, which means to ____. a. heat b. push c. form d. compress ANSWER: b […]

Name: Class: Date: Chapter 12: Laminating Processes and Materials Copyright Cengage Learning. Powered by Cognero. Page 1 1. A major difference between laminates and reinforced plastics is that laminates have ____. a. fibers b. layers c. complex shapes d. complex […]

Name: Class: Date: Chapter 13: Reinforcing Processes and Materials Copyright Cengage Learning. Powered by Cognero. Page 1 1. A putty-like mixture of resin, catalysts, fillers, and short fiber reinforcements is known as ____. a. short fiber compounds b. bulk molding […]

Name: Class: Date: Chapter 14: Casting Processes and Materials Copyright Cengage Learning. Powered by Cognero. Page 1 1. One way in which casting differs from extrusion or molding is that casting ____. a. is initiated as a solid b. uses […]

Name: Class: Date: Chapter 15: Thermoforming Copyright Cengage Learning. Powered by Cognero. Page 1 1. A disadvantage of straight vacuum forming is that ____. a. high pressures must force the plastics into the mold b. formed pieces usually must be […]

Name: Class: Date: Chapter 16: Expansion Processes Copyright Cengage Learning. Powered by Cognero. Page 1 1. An expanded plastics is similar to a sponge, bread, or whipped cream because all are ____ in structure. a. closed cell b. cellular c. […]

Name: Class: Date: Chapter 17: Coating Processes Copyright Cengage Learning. Powered by Cognero. Page 1 1. It is important to select coating materials that are reasonably close to the ____ of the substrate to be coated. a. density b. thermal […]

Name: Class: Date: Chapter 18: Fabrication Processes and Materials Copyright Cengage Learning. Powered by Cognero. Page 1 1. A type of fabrication that adheres materials together by interlocking the surfaces is called ____. a. chemical adhesion b. mechanical adhesion c. […]

Name: Class: Date: Chapter 19: Decoration Processes Copyright Cengage Learning. Powered by Cognero. Page 1 1. In the process of embossing plastics, ____ is the result of applying coatings over items that have not been properly dried. a. crazing b. […]

Name: Class: Date: Chapter 02: Current Status of the Plastics Industry Copyright Cengage Learning. Powered by Cognero. Page 1 1. A steep drop in plastics production in 2008-2009 can be attributed to the ____. a. World Trade Center bombing b. […]

Name: Class: Date: Chapter 20: Radiation Processes Copyright Cengage Learning. Powered by Cognero. Page 1 1. Radiation is carried by a unit called a(n) ____, and is in either wave or particle form. a. atom b. photon c. molecule d. […]

Name: Class: Date: Chapter 21: Design Considerations Copyright Cengage Learning. Powered by Cognero. Page 1 1. The company Moldflow® is prominent in the field of ____. a. rapid prototyping b. computer-aided flow analysis c. computer-aided design d. computer-aided engineering ANSWER: […]

Name: Class: Date: Chapter 22: Tooling and Mold Making Copyright Cengage Learning. Powered by Cognero. Page 1 1. Although the U.S. tool, die, and industrial mold industry has been in decline, the introduction of ____ technology is expected to rejuvenate […]

Name: Class: Date: Chapter 23: Commercial Considerations Copyright Cengage Learning. Powered by Cognero. Page 1 1. When planning a new plastics product, it is best to confer first with ____. a. a bank b. resin manufacturers c. die companies d. […]

Name: Class: Date: Chapter 03: Elementary Polymer Chemistry Copyright Cengage Learning. Powered by Cognero. Page 1 1. When two or more atoms combine, the resulting structure is known as a(n) ____. a. isomer b. molecule c. isotope d. polymer ANSWER: […]

Name: Class: Date: Chapter 04: Health and Safety Copyright Cengage Learning. Powered by Cognero. Page 1 1. What kind of hazard is ionizing, ultraviolet, microwave, or thermal radiation? a. biomechanical b. physical c. electrical d. chemical ANSWER: b 2. Types […]

Name: Class: Date: Chapter 05: Elementary Statistics Copyright Cengage Learning. Powered by Cognero. Page 1 1. A procedure for calculating an average that relies on the most numerous value in a distribution is the ____. a. median b. mode c. […]

Name: Class: Date: Chapter 06: Properties and Tests of Selected Plastics Copyright Cengage Learning. Powered by Cognero. Page 1 1. The SI metric system consists of seven base units, with ____ designating the base unit for mass. a. candela b. […]

Name: Class: Date: Chapter 07: Ingredients of Plastics Copyright Cengage Learning. Powered by Cognero. Page 1 1. The breaking of chemical bonds by ____ is the cause for degradation of plastics. a. pyrolysis b. oxidation c. hydrolysis d. destabilization ANSWER: […]

Name: Class: Date: Chapter 08: Characterization and Selection of Commercial Plastics Copyright Cengage Learning. Powered by Cognero. Page 1 1. Huge macromolecules are formed by the ____ of small mers. a. pyrolysis b. polymerization c. hydrolysis d. oxidation ANSWER: b […]

Name: Class: Date: Chapter 09: Machining and Finishing Copyright Cengage Learning. Powered by Cognero. Page 1 1. Machining techniques for composite materials, such as high-pressure laminates, involve backing up the work with a solid material to reduce____. a. laser cutting […]