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Metals Properties Quiz

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Questions and Answers

What is the formula for engineering strain?

∈e = (L - Lo) / Lo (correct)

∈e = Lo / (Lo - L)

∈e = (Lo - L) / L

∈e = L / (L - Lo)

What are the units of engineering strain typically given in?

m/m

Strain has no units

cm/cm

mm/mm (correct)

What are the two regions of the stress-strain relationship?

Linear and non-linear

Plastic and ductile

Elastic and plastic (correct)

Elastic and brittle

In the elastic region, what law defines the relationship between stress and strain?

Hooke's law (A) Signup and view all the answers

What is the modulus of elasticity (Young's modulus) a measure of?

The stiffness of a material (B) Signup and view all the answers

What does the yield point of a material represent?

The point where the material begins to yield and undergo plastic deformation (B) Signup and view all the answers

After the yield point, does the stress-strain relationship follow Hooke's law?

No (C) Signup and view all the answers

What is another name for the yield point?

Elastic limit (C) Signup and view all the answers

What is the formula for calculating stress based on Hooke's law?

σ = E∈ (C) Signup and view all the answers

What is the yield strength of a material often used to represent?

The stress at which the material begins to yield and undergo plastic deformation (B) Signup and view all the answers

Metals Properties Quiz

Choose a study mode

Podcast

Questions and Answers

What is the formula for engineering strain?

What are the units of engineering strain typically given in?

What are the two regions of the stress-strain relationship?

In the elastic region, what law defines the relationship between stress and strain?

What is the modulus of elasticity (Young's modulus) a measure of?

What does the yield point of a material represent?

After the yield point, does the stress-strain relationship follow Hooke's law?

What is another name for the yield point?

What is the formula for calculating stress based on Hooke's law?

What is the yield strength of a material often used to represent?

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