Hardcore Material Properties Quiz
A demanding assessment of key material characteristics across multiple classes.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which crystal structure yields the highest theoretical tensile strength in pure iron?
- 2
At what temperature does the glass transition typically occur for polymethyl methacrylate (PMMA)?
- 3
Which alloying element most effectively raises the Curie temperature of nickel-based superalloys?
- 4
For a ceramic with a thermal conductivity of 2 W·m⁻¹·K⁻¹, what is the expected temperature drop across a 5 mm thickness when one side is held at 300°C and the opposite side at 100°C, assuming steady-state one-dimensional conduction and no heat loss?
- 5
Which of the following polymers exhibits the highest dielectric strength?
- 6
In dislocation theory, the force per unit length acting on a dislocation due to an applied shear stress τ is given by F = τb. What is the magnitude of this force for τ = 30 MPa and Burgers vector b = 2.5 Å?
- 7
Which phase diagram region indicates a eutectoid reaction?
- 8
For a composite lamina subjected to uniaxial tension along the fiber direction, which rule of mixtures gives the longitudinal Young's modulus?
- 9
What is the primary mechanism of creep in metals at temperatures above 0.5 T_melt?
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