A company manufactures different products using various materials. Before selecting a material, the quality control team conducts a simple test to check whether the material can be drawn into long, thin wires.
Four samples are tested.
- Sample P is drawn into a long wire without breaking.
- Sample Q breaks into small pieces when an attempt is made to draw it into a wire.
- Sample R can also be drawn into a thin wire and is later used for making overhead electric cables.
- Sample S can be flattened into a sheet but cannot be drawn into a long wire.
After analysing the results, the engineers choose only the materials suitable for wire manufacturing.
Read the case carefully and answer the following questions.
1. Which samples possess the property of ductility? -
2. Which sample demonstrates a property different from ductility? -
3. The engineers decide to manufacture electrical wires using only one sample. Which sample should they choose if copper is available among the tested materials? -
4. Which of the following is the most appropriate conclusion drawn from the investigation? -