Page 1 of 7 Report: Test Answer Key District: Madison Test: Description: Unit C Mfg Part 1 Form: 501 1. The metal object produced by pouring molten metal into a mold consisting of wet green sand is: (NCCTE.9_12.TI.7972.D403.01) 2. Which material would LEAST likely be used for sand casting? (NCCTE.9_12.TI.7972.D403.01) 3. Metal objects produced by hammering or pressing metal into a desired shape while it is hot are: (NCCTE.9_12.TI.7972.D403.01) 4. CNC reduces errors and increases: (NCCTE.9_12.TI.7972.D403.01) Forged. Casted. Extruded. Injection molded. Aluminum Brass Iron Cold rolled steel Forged. Casted. Extruded. Injection molded. Surface area. Surface finish. Surface hardness. Productivity.
Page 2 of 7 5. Which one of the following is NOT an advantage of CNC machining? (NCCTE.9_12.TI.7972.D403.01) 6. The smallest division on a machinist steel rule is: (NCCTE.9_12.TI.7972.D403.01) 7. The device used in a machine shop for taking rough measurements is called a/an: (NCCTE.9_12.TI.7972.D403.01) 8. Which is NOT an advantage of CNC machining? (NCCTE.9_12.TI.7972.D403.01) 9. The acronym for controlling movements of tool- cutting equipment by coded instructions of numerical data is referred to as: (NCCTE.9_12.TI.7972.D403.01) Better production and control Increased productivity Decreased labor and production costs High up-front costs 1/16 inch. 1/32 inch. 1/64 inch. 1/128 inch. Machinist steel rule. Vernier caliper. Inside spring caliper. Metric scale. Worse production and control Decreased productivity Increased labor cost Lower production costs CAD CAM. CN CIM.
Page 3 of 7 10. Which process works by taking a sheet of plastic material and heating it until it softens and then using vacuum pressure to suck the hot material down against a mold? (NCCTE.9_12.TI.7972.D403.01) 11. Which plastic process is used to make all types of thin-walled products such as containers, guards, fenders, food packages, and cosmetic packaging? (NCCTE.9_12.TI.7972.D403.01) 12. Which plastic process is used to make continuous shapes such as moldings, tubing, bars, water-hose, weather stripping, and any part that has a constant shape? (NCCTE.9_12.TI.7972.D403.01) 13. Which manufacturing process does NOT apply to plastics? (NCCTE.9_12.TI.7972.D403.01) Extrusion Forging Blow molding Injection molding Extrusion Forging Blow molding Injection molding
Page 4 of 7 14. What is the process in which plastic material can be reheated in order to change the shape of a part? (NCCTE.9_12.TI.7972.D403.01) 15. Which process would be the BEST for a plastic part that is to be used on or near the engine of a car? (NCCTE.9_12.TI.7972.D403.01) 16. Plastic products that are formed into a permanent shape by heat and pressure and may not be altered after curing are produced by which process? (NCCTE.9_12.TI.7972.D403.01) 17. Hardening requires heating and then rapid cooling in: (NCCTE.9_12.TI.7972.D403.01) 18. Annealing is the process generally used to: (NCCTE.9_12.TI.7972.D403.01) Oil or water. Gas or kerosene. Dry ice. Mineral sprits. Corrode metal. Break-up metal. Harden metal. Soften metal.
Page 5 of 7 19. Ceramic materials are said to be resistant to: (NCCTE.9_12.TI.7972.D403.01) 20. Carbon and graphite are low tensile strength materials meaning that they have the ability to be: (NCCTE.9_12.TI.7972.D403.01) 21. Inorganic materials consist of: (NCCTE.9_12.TI.7972.D403.01) 22. Nonferrous metals do not have iron content, such as: (NCCTE.9_12.TI.7972.D403.01) 23. Ferrous metals contain: (NCCTE.9_12.TI.7972.D403.01) Heat, chemicals, and corrosion. Cold, hardening, and decay. Climate, breaking, and children. Dry ice, chemicals, and rust. Prolonged. Shortened. Welded. Stretched. Thermoplastics and thermoset. Carbon, ceramics, and composites. Copper and aluminum. Carbonate and graphite. Copper and aluminum. Two or more metals. Iron and steel. Carbon and graphite. Copper and aluminum. Two or more metals. Carbon and graphite Iron and steel.
Page 6 of 7 24. Metals are generally classified as: (NCCTE.9_12.TI.7972.D403.01) 25. What are the three general categories that manufacturing materials for production fall into? (NCCTE.9_12.TI.7972.D403.01) 26. Manufacturers look to their company designers to keep manufacturing cost low and avoid shop downtime by creating: (NCCTE.9_12.TI.7972.D403.01) 27. Which process of casting is much faster and requires the least amount of machining? (NCCTE.9_12.TI.7972.D403.01) 28. Which does NOT apply to the rough forming of shaping a part? (NCCTE.9_12.TI.7972.D403.01) Nonconformist, nonferrous, and non-alloy. Confirmist, ferrous, and alloys. Ferrous, nonferrous, and alloys. Fertile, ferrous, and allowing. Metal, plastic, and inorganic materials Metal, steel, and bio-materials Metal, sheet metal, and organic materials Rubber, plastic, and dead materials Sketches. 3D models. Oblique drawings. Prototypes. Sand Die Cedar Extrusion Surface Grinding Casting Forging Welding NOT apply to the rough forming of shaping a part?
Page 7 of 7 29. The three main stages involved in the actual manufacturing process of a part are: (NCCTE.9_12.TI.7972.D403.01) 30. Any number of process methods may be used by industry. For this reason, the designer and the drafter must have a/an: (NCCTE.9_12.TI.7972.D403.01) 31. Which is NOT an important phase of the manufacturing process? (NCCTE.9_12.TI.7972.D403.01) Casting, welding, and shipping. Welding, packaging, and shipping. Finish forming, assembly, and inspecting. Rough forming, finishing, and assembly. Minimum of ten years work experience in manufacturing. Engineering license in the state of North Carolina. Understanding of manual drafting tools and supplies. Working knowledge of processes to lower cost and production time. Product design Selection of materials Landscape engineering Selection of manufacturing production techniques