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Questions and Answers
Which of the following statements is true about the shear strength of real materials compared to theoretical values?
Which of the following statements is true about the shear strength of real materials compared to theoretical values?
- Real materials have higher shear strength than theoretical values.
- Real materials have lower shear strength than theoretical values. (correct)
- Real materials have unpredictable shear strength compared to theoretical values.
- Real materials have the same shear strength as theoretical values.
What is the equation to calculate the theoretical shear strength ($\tau_{max}$) for real materials in idealistic situations?
What is the equation to calculate the theoretical shear strength ($\tau_{max}$) for real materials in idealistic situations?
- $\tau_{max} = \frac{Gb}{2\pi a}$ (correct)
- $\tau_{max} = \frac{2\pi a}{Gb}$
- $\tau_{max} = Gb + 2\pi a$
- $\tau_{max} = Gb \times 2\pi a$
What is the relationship between interatomic spacing and interplanar spacing?
What is the relationship between interatomic spacing and interplanar spacing?
- They are inversely proportional.
- They are approximately the same. (correct)
- They are unrelated.
- They are exactly the same.
What is the approximate order of magnitude of the theoretical shear strength for copper and iron?
What is the approximate order of magnitude of the theoretical shear strength for copper and iron?
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Can the shear strength of real materials be accurately calculated using the given elastic modulus and shear modulus?
Can the shear strength of real materials be accurately calculated using the given elastic modulus and shear modulus?
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