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