ASSIGNMENT 2 Textbook Assignment: “Aircraft Construction and Materials,” chapter 1, pages 1-24 through 1-44. 2-1. 2-2. 2-3. 2-4. 2-5. The amount of cold-working a metal can withstand is directly related to which of the following properties? 1. Density and elasticity 2. Toughness and fusibility 3. Malleability and ductility 4. Contraction, expansion, and conductivity When all other metal properties are equal, what method of joining metals structurally has the greatest advantage in design and fabrication? 1. Welding 2. Brazing 3. Riveting 4. Soldering What are the three basic methods of metal working? 1. 2. 3. 4. The Cold-working, hot-working, and forging Hot-working, cold-working, and rolling Hot-working, cold-working, and extruding Cold-working, hot–working, and hot-rolling intermediate shape that has width greater the thickness and from are rolled is known by 1. Slab 2. Bloom 3. Ingot 4. Billet of steel than twice which sheets what name? What method of metal working will give the best possible structure throughout the metal? 1. Pressing 2. Extruding 3. Cold-rolling 4. Smith forging 2-6. 2-7. 2-8. 2-9. 2-10. 2-11. What effect does cold-working have upon the ductility, elasticity, and hardness of a metal? All are decreased 2. All are increased 3. Ductility is decreased; elasticity and hardness are increased 4. Ductility and elasticity are increased; hardness is decreased What metal working process is used to make wire? 1. Pressing 2. Extruding 3. Hammering 4. Cold-drawing The process of acid to remove what name? 1. Pickling 2. Tempering 3. Quenching 4. Annealing dipping steel in an scale is known by Which of the following aircraft parts are made by the extrusion process? 1. 2. 3. 4. An of Cables Stringers Control rods Seamed tubing alloying agent can change which the following base metal characteristics? 1. Strength 2. Corrosion resistance 3. Electrical conductivity 4. All of the above A ferrous metal has what type of metal as its principal component? 1. Lead 2. Iron 3. Nickel 4. Aluminum 6 1.