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Questions and Answers
Which one of the following statements is true about the shear strength of real materials compared to theoretical values?
Which one of the following statements is true about the shear strength of real materials compared to theoretical values?
- Real materials have the same shear strength as theoretical values.
- Real materials have unpredictable shear strength compared to theoretical values.
- Real materials have higher shear strength than theoretical values.
- Real materials have lower shear strength than theoretical values. (correct)
What is the relationship between the interatomic spacing and interplanar spacing?
What is the relationship between the interatomic spacing and interplanar spacing?
- They are unrelated.
- They are very similar. (correct)
- They are completely different.
- They are exactly the same.
What is the formula for calculating the theoretical shear strength ($\tau_{max}$) of a material?
What is the formula for calculating the theoretical shear strength ($\tau_{max}$) of a material?
- $\tau_{max} = Gb / a$
- $\tau_{max} = Gb / 2\pi a$ (correct)
- $\tau_{max} = 2\pi a / Gb$
- $\tau_{max} = a / Gb$
What is the order of magnitude of the theoretical shear strength for copper and iron?
What is the 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?
Can the shear strength of real materials be accurately calculated?
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