Podcast
Questions and Answers
What property of metals makes them resistant to failure under shock loads?
What property of metals makes them resistant to failure under shock loads?
- Brittleness
- Elasticity
- Ductility (correct)
- Malleability
Which property makes a material more likely to break or crack when exposed to stress?
Which property makes a material more likely to break or crack when exposed to stress?
- Malleability
- Elasticity
- Ductility
- Brittleness (correct)
What type of metals are examples of brittle ferrous metals?
What type of metals are examples of brittle ferrous metals?
- Nickel and brass
- Titanium and stainless steel
- Aluminum and copper
- Cast iron and very hard steel (correct)
Which property refers to a metal's tendency to return to its original shape after normal stretching and bending?
Which property refers to a metal's tendency to return to its original shape after normal stretching and bending?
What is the point beyond which a metal does not return to its original shape after a deforming force is removed?
What is the point beyond which a metal does not return to its original shape after a deforming force is removed?
Which type of metals have very low elastic limits according to the text?
Which type of metals have very low elastic limits according to the text?
What characteristic does tungsten add to steel when it is alloyed with it?
What characteristic does tungsten add to steel when it is alloyed with it?
Where are tungsten steels typically used due to their high density and retained hardness at elevated temperatures?
Where are tungsten steels typically used due to their high density and retained hardness at elevated temperatures?
What is a key advantage of titanium steel alloys?
What is a key advantage of titanium steel alloys?
Which type of steel is well suited for high-temperature applications like firewalls and exhaust system components?
Which type of steel is well suited for high-temperature applications like firewalls and exhaust system components?
Why is pure iron not suitable for use as a structural material?
Why is pure iron not suitable for use as a structural material?
What element is typically alloyed with iron to create steel?
What element is typically alloyed with iron to create steel?
What is the main effect of sulphur in steel?
What is the main effect of sulphur in steel?
How is the negative impact of sulphur in steel countered?
How is the negative impact of sulphur in steel countered?
What role does manganese play in the presence of sulphur in steel?
What role does manganese play in the presence of sulphur in steel?
Which element raises the yield strength of steel and improves its resistance to atmospheric corrosion?
Which element raises the yield strength of steel and improves its resistance to atmospheric corrosion?
What effect does nickel have on the hardening process of steel when heat-treated?
What effect does nickel have on the hardening process of steel when heat-treated?
How does manganese improve a metal's forging characteristics?
How does manganese improve a metal's forging characteristics?
What is a metal's ability to resist being pressed or squeezed?
What is a metal's ability to resist being pressed or squeezed?
Which type of strength relates to a metal's ability to withstand shear stress?
Which type of strength relates to a metal's ability to withstand shear stress?
What is a metal's ability to resist cutting, penetration, or abrasion known as?
What is a metal's ability to resist cutting, penetration, or abrasion known as?
Which metallic strength refers to the metal's ability to resist repeated loading?
Which metallic strength refers to the metal's ability to resist repeated loading?
What property of steel directly relates to its tensile strength?
What property of steel directly relates to its tensile strength?
Which type of strength is related to a metal's ability to resist shock?
Which type of strength is related to a metal's ability to resist shock?
What property refers to a metal's tendency to return to its original shape after stretching and bending?
What property refers to a metal's tendency to return to its original shape after stretching and bending?
Which property describes a material's ability to resist tearing or breaking when bent or stretched?
Which property describes a material's ability to resist tearing or breaking when bent or stretched?
What does conductivity refer to in metals?
What does conductivity refer to in metals?
Which property describes a metal's ability to expand when heated and shrink when cooled?
Which property describes a metal's ability to expand when heated and shrink when cooled?
What characteristic makes a metal a good electrical conductor?
What characteristic makes a metal a good electrical conductor?
Which example reflects an application where toughness and hardness are both necessary in metals?
Which example reflects an application where toughness and hardness are both necessary in metals?
