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Questions and Answers
What is the formula for engineering strain?
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?
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?
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?
In the elastic region, what law defines the relationship between stress and strain?
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What is the modulus of elasticity (Young's modulus) a measure of?
What is the modulus of elasticity (Young's modulus) a measure of?
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What does the yield point of a material represent?
What does the yield point of a material represent?
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After the yield point, does the stress-strain relationship follow Hooke's law?
After the yield point, does the stress-strain relationship follow Hooke's law?
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What is another name for the yield point?
What is another name for the yield point?
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What is the formula for calculating stress based on Hooke's law?
What is the formula for calculating stress based on Hooke's law?
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What is the yield strength of a material often used to represent?
What is the yield strength of a material often used to represent?
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