Test Your Understanding of Core Material Characteristics
Five multiple-choice items probe key mechanical and physical traits of common engineering substances.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which parameter quantifies a material's resistance to elastic deformation under tensile load?
- 2
The Vickers hardness test determines hardness by measuring:
- 3
A steel rod 1.2 m long at 20°C is heated to 120°C. If its linear expansion coefficient is 12×10⁻⁶°C⁻¹, what is its new length?
- 4
Which material typically exhibits the lowest electrical resistivity?
- 5
A block of material with density 2.5 g/cm³ is placed in water. Will it float, sink, or remain suspended?
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