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ME 304 Review: Introduction to Machine Design

10 Questions

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ME 304 Review: Introduction to Machine Design

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Questions and Answers

What is the standard Tensile Test used to obtain material characteristics of?

Strength and strain (correct)

Elastic modulus and shear modulus

Strength and stress

Stress and strain

How is the normal strain calculated in the standard Tensile Test?

ε = (l - l0) / l0 (correct)

ε = l0 / (l - 1)

ε = l - l0

ε = (l0 - l) / l

What is the yield strength defined at on a Stress-Strain Diagram?

Plastic deformation point

Ultimate tensile strength

Elastic limit (correct)

Proportional limit

What is the formula to calculate stress in the Tensile Test?

$σ = \frac{P}{A0} (2 - 1)$ Signup and view all the answers

What are the Moduli of Elasticity discussed in the review?

Elastic modulus and Poisson's ratio Signup and view all the answers

What is Young's Modulus?

A measure of the stiffness of an elastic material Signup and view all the answers

What is the primary cause of elastic deformation?

Elastic 'stretching' of the chemical bonds Signup and view all the answers

What does a high Young's Modulus indicate about a material?

It is rigid Signup and view all the answers

Which scientist developed the concept of Young's Modulus in its current form, pre-dating Thomas Young's work?

Leonhard Euler Signup and view all the answers

What does the Young's Modulus indicate about a material?

The stiffness of the material Signup and view all the answers