Practice IB Design Technology (DT) Topic 4. Final Production with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for 4. Final Production and mirrors Paper 1, 2, 3 style where relevant.
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Which manufacturing technique involves clamping a thermoplastic sheet over a mould, heating it until it is pliable, and then removing the air from the cavity to shape the material?
A manufacturer is developing a casing for a heavy-duty electrical component. They require a polymer that will not soften or change shape once it has been cured, even if subjected to extreme heat during a circuit failure.
Which characteristic of the polymer's molecular structure provides this specific property?
The table below lists the characteristics of four different smart materials.
| Material | Triggering Stimulus | Observed Response |
|---|---|---|
| W | UV radiation | Reversible change in colour |
| X | Mechanical stress | Generation of a small electric voltage |
| Y | Thermal energy | Reversion to a pre-programmed shape |
| Z | Physical pressure | Significant drop in electrical resistance |
Which material in the table displays the properties of a Shape Memory Alloy (SMA)?
Which of the following is a heat treating process?
Which characteristic of Medium Density Fibreboard (MDF) makes it a preferred choice for creating decorative furniture panels with intricate routed details?