Download Machine Tool Technology Quiz: Metals and Metallurgy - QUIZ #10 - Prof. William K. Hemphill and more Quizzes Engineering in PDF only on Docsity! Score ________/20 Name _______________________________ Section _________ ENTC 2200 Machine Tool Technology— QUIZ # 10: Metals/Metallurgy Directions: Circle or completely mark through the letter of the one most correct alternative. 1. Hardness is: a) The opposite of plasticity. b) Resistance to penetration. c) The same as brittleness. d) The ability to absorb energy. 2. Which property causes a metal to permanently retain its deformed shape after the deforming force has been removed? a) Plasticity. b) Elasticity. c) Stress. d) Strain. 3. With respect to the 4-digit AISI system for classifying carbon and alloy steels, the first digit in the designation indicates the: a) Carbon content in weight percent. b) Carbon content in hundredths of a percent. c) Alloy subgroup or percent of the predominating alloy. d) Basic alloy type. 4. Brass is an alloy composed of copper and: a) Aluminum. b) Iron. c) Tin. d) Zinc. 5. With respect to the 4-digit AISI system for classifying carbon and alloy steels, the third, forth, and fifth digits in the designation indicates the: a) Carbon content in weight percent. b) Carbon content in hundredths of a percent. c) Alloy family. d) Alloy subgroup or percent of the predominating alloy. 6. The ability of a metal to become permanently deformed by compressive forces is called: a) Elasticity. b) Plasticity. c) Malleability. d) Ductility. 7. The property of certain tool steels to retain hardness at high heat is called: a) Hardenability. b) Refractory index. c) Red hardness. d) Carbide formation. 8. Which of the following is a common brand name for a cast alloy cutting tool material? a) Carboloy. b) Stellite. c) Inconel. d) Ferrite. 9. The binder usually used to hold the grains of cemented carbide cutting tools together is: a) Cobalt. b) Tungsten. c) Molybdenum. d) Vanadium. 10. Carbon-tool-steel cutting tools start to lose their hardness in the temperature range a) 200°F -300°F b) 300°F -400°F c) 400°F -500°F d) 500°F -600°F Revised: Nov. 6, 2004
