Question 1: Describe the key features you would include in a product designed for elderly users to ensure it is easy to operate. Explain your choices.

Answer: Features such as large, clear buttons; high-contrast displays; ergonomic handles; simple instructions; and audible feedback could be included. These choices enhance usability and safety for elderly users.

Question 2: Identify three potential problems that could occur if a plastic used in a children's toy is not properly tested for safety. Explain the impact of each problem.

Answer: Possible problems include toxicity leading to health issues, sharp edges causing cuts, and choking hazards from small parts. Each can result in injury or health risks for children.

Question 3: Evaluate the environmental impact of using metal versus plastic in the construction of a garden tool. Consider factors such as durability, recyclability, and manufacturing processes.

Answer: Metal is generally more durable and recyclable, but its extraction and manufacturing can cause more environmental harm. Plastic may be lighter and cheaper but often less durable and less environmentally friendly unless made from recycled materials.

Question 4: Think about a new kitchen appliance designed to save energy. List two features it should have and justify how these features contribute to energy saving.

Answer: Features like an energy-efficient motor and smart sensors that turn off when not in use. These reduce power consumption, leading to energy savings.

Question 5: Sketch a concept for a portable device that could help visually impaired people navigate their environment. Label three key features of your design.

Answer: A correct sketch would show a handheld device with tactile buttons, a built-in speaker for audio instructions, and a sensor array (like ultrasonic sensors) for obstacle detection. Labels should clearly identify these features.

Question 6: Identify and explain two advantages and two disadvantages of using bamboo as a material for making furniture.

Answer: Advantages: Bamboo is strong, lightweight, and sustainable. Disadvantages: It may be less durable over time and susceptible to pests if not treated properly.

Question 7: A company wants to redesign a plastic water bottle to reduce its environmental impact. Suggest two modifications or features they could include and explain how these changes would help.

Answer: Using biodegradable plastics or designing the bottle to be easily recyclable. These reduce environmental pollution and promote sustainability.

Question 8: Draw a simple plan for a foldable storage box intended for student use. Indicate the main folding lines and the method of opening.

Answer: A correct plan would show a rectangular base with fold lines along the sides, hinged panels for the sides, and a lid that folds over the top. The drawing should clearly indicate fold lines and hinges.

Question 9: Evaluate the importance of considering ergonomics when designing a hand tool. Provide two specific ergonomic features that are essential.

Answer: Ergonomics ensure comfort, reduce fatigue, and prevent injury. Features like a non-slip handle and a balanced weight distribution are essential for user comfort and safety.

Question 10: Propose two criteria you would use to assess the success of a new product designed for children. Explain your reasoning.

Answer: Criteria such as safety (no sharp edges or toxic materials) and ease of use (simple instructions and intuitive design). These ensure the product is safe and user-friendly for children.