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Questions and Answers
What is a necessary condition for a material to be considered tough?
What is a necessary condition for a material to be considered tough?
- High strength with moderate ductility (correct)
- High resilience with moderate brittleness
- High hardness with moderate resilience
- High ductility with moderate strength
What type of deformation is likely to occur in metals under compressive loads?
What type of deformation is likely to occur in metals under compressive loads?
- Plastic deformation (correct)
- Elastic-plastic deformation
- Elastic deformation
- Brittle fracture
What is the primary difference between the stress-strain behavior of metals under compressive and tensile loads?
What is the primary difference between the stress-strain behavior of metals under compressive and tensile loads?
- The presence of a plateau in the compressive stress-strain curve
- The absence of necking in the compressive stress-strain curve (correct)
- The presence of a maximum point in the stress-strain curve
- The presence of a yield point in the compressive stress-strain curve
What is hardness a measure of in a material?
What is hardness a measure of in a material?
What is the primary basis for the Mohs hardness scale?
What is the primary basis for the Mohs hardness scale?
What is a key limitation of the Mohs hardness scale?
What is a key limitation of the Mohs hardness scale?
What is the primary advantage of quantitative hardness testing techniques?
What is the primary advantage of quantitative hardness testing techniques?
What is the primary difference between resilience and toughness?
What is the primary difference between resilience and toughness?
What is a characteristic of brittle materials?
What is a characteristic of brittle materials?
What is a key difference between ductile and brittle fracture modes?
What is a key difference between ductile and brittle fracture modes?
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