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Ductility: Quiz

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Question 1: The following list ranks metals from the greatest ductility to least: gold, silver, platinum, iron, nickel, copper, ________, zinc, tin, and lead.
TitaniumCarbonAluminiumUranium

Question 2: [1] The ductility of ________ varies depending on the alloying constituents.
Stainless steelCarbon steelIronSteel

Question 3: Malleable materials can be formed using stamping or pressing, whereas brittle metals and ________ must be molded.
Polyvinyl chloridePlasticPolycarbonatePolystyrene

Question 4: For example, the transition is generally sharper in materials with a ________ (BCC) lattice than those with a face-centered cubic (FCC) lattice.
Crystal systemMonoclinic crystal systemCubic crystal systemTriclinic crystal system

Question 5: Many plastics and amorphous solids, such as ________, are also malleable.
OhioUnited StatesPlay-DohMacy's

Question 6: For example, ________ exhibits good ductility at room temperature but shatters at sub-zero temperatures when impacted.
MetalZamakAluminiumZinc

Question 7: High degrees of ductility occur due to ________, which are found predominantly in metals and leads to the common perception that metals are ductile in general.
Chemical bondAromaticityMetallic bondCovalent bond

Question 8: In ________ ice this zone is at approximately 30 m (100 ft) depth.
GlacierCurrent sea level riseIce sheetLittle Ice Age

Question 9: Ductility is especially important in metalworking, as materials that crack or break under stress cannot be manipulated using metal forming processes, such as ________, rolling, and drawing.
ChiselPliersHammerReamer

Question 10: DBTT can also be influenced by external factors such as neutron radiation, which leads to an increase in internal ________ and a corresponding decrease in ductility and increase in DBTT.
DislocationCrystallographySiliconCrystallographic defect







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