Question 1
1 markWhich of the following materials is classified as a hardwood and is commonly used for high-quality furniture due to its aesthetic grain and durability?
AQA A Level · Design and Technology: Product Design 7552
Materials and their applications: Practice Questions
5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Materials and their applications.
10 questions25 marksFree, no account
Question 2
1 markA manufacturer is using Tungsten Carbide for the tips of industrial cutting tools. Which category of material does this belong to, and what is its primary performance advantage in this application?
Question 3
1 markA product requires a material that can be stretched to significantly more than its original length and then return to its original shape when the force is removed. Which of the following is the most appropriate classification and example for this requirement?
Question 4
1 markIn the context of material stock forms, which of the following is a common stock form for polymers as listed in the AQA specification for use in processes like injection moulding or extrusion?
Question 5
1 markA designer is selecting a polymer for a new range of reusable food containers that must withstand repeated sterilization in a microwave and be easily recycled. Which polymer and property combination is most suitable?
Question 6
2 marksIdentify which specific polymer is most suitable for creating a translucent water bottle that must be lightweight and have high resistance to chemicals and liquids, based on its performance characteristics.
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Question 7
4 marksA designer is developing a high-performance grip for a handheld power tool to improve ergonomics and user comfort.
Justify the selection of a Thermoplastic Elastomer (TPE) over a standard thermoplastic by referring to its specific physical properties and manufacture.
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Question 8
6 marksIn the construction of medical surgical instruments, stainless steel is often selected over other ferrous metals.
Evaluate the suitability of stainless steel for this application by discussing the physical properties that allow it to withstand repeated sterilisation and explain the role of its alloying elements in providing these characteristics.
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Question 9
3 marksA manufacturer is producing a range of outdoor furniture intended for public parks. They are considering using English Oak for the structural frame.
(a) State the classification of English Oak and identify two physical or working characteristics that make it particularly suitable for external use in a public environment.
(b) Explain how pressure treating the timber with chemical preservatives would further enhance its performance in this specific application.
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Question 10
5 marksA designer is developing a new handle for a high-end kitchen utensil. They are considering using a thermoplastic elastomer (TPE) for the grip area.
(a) Describe two specific mechanical properties of TPE that make it an appropriate choice for an ergonomic handle grip.
(b) Explain how the product function and aesthetics are improved by the addition of a TPE overmoulding compared to a handle made entirely from a rigid polymer like Polypropylene (PP).
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