Westwood D&T 2024 4E5N(7059) Prelim QP

Candidate Name ____________________________________ Secondary Four Express/ Five Normal Academic DESIGN AND TECHNOLOGY 7059 August 2024 2 hour INSTRUCTIONS TO CANDIDATES Write your name, index number and class in the spaces at the top of this page and on all separate answer paper used. Candidates answer on the Question Paper. No Additional Materials are required. Answer all questions on the Question Paper. INFORMATION FOR CANDIDATES The number of marks is given in brackets [ ] at the end of each question or part question. All dimensions are in millimeters unless otherwise stated. ______________________________________________________________________________ This question paper consists of 15 printed pages. Setter : Ahmad Luqman [Turn over WESTWOOD SECONDARY SCHOOL PRELIMINARY EXAMINATION FOR EXAMINER’S USE Question MARK TOTAL 1 26 2 18 3 18 4 18 TOTAL MARKS 80 Class Candidate Number

4E5N/D&T/7059/PRELIM/2024 [Turn over 2 1 Figure 1.1 shows a barbeque pit at a park. The nearest light is far away, making the area around the barbeque pit quite dim at night. This causes inconvenience for users who are unable to see if their food is fully cooked. A portable lamp placed on the table beside the barbeque pit would help address this issue. Fig. 1.1 (a) Write a suitable design brief for the situation identified above. ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [2] (b) Describe how the designer can conduct research through observation to better understand this identified need. ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [3] (c) Sustainability is a crucial consideration for designers when creating a product. Explain briefly why this is important. ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [2] (d) Write a suitable design specification related to "Materials" for designing the portable lamp for the identified situation. ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [2] Nearest Light Table Barbeque Pit

4E5N/D&T/7059/PRELIM/2024 [Turn over 3 (e) Sketch a design of the portable lamp to be used on the barbeque-pit table. A faded outline of the barbeque pit table is included for proportion. Your design must include:  Light from the portable lamp that can illuminate the entire area of the barbeque pit.  A portability feature for the lamp.  An interesting and aesthetically pleasing shape for the lamp. You may use additional sketches to communicate your design and include annotations if necessary. [6]

4E5N/D&T/7059/PRELIM/2024 [Turn over 4 (f) Fig 1.2 below shows a pair of tongs being used to handle food while barbequing. The user's hand can become very hot from the fire's heat over time, potentially leading to burns. Additionally, the slippery surface of the metal tongs makes holding and handling them difficult and uncomfortable. Fig. 1.2 Sketch an idea to show how the tongs can be improved to protect the user’s hand from burns caused by the heat of the barbeque pit. You may use the faded diagram of the tongs below to assist with your sketch. You may include additional sketches to communicate your design and add annotations if necessary. [4] Tongs

4E5N/D&T/7059/PRELIM/2024 [Turn over 5 (g) Explain how anthropometric data is used in designing your idea in question 1f). Include clear sketches to support your explanation. [3] (h) Ergonomics is an important consideration in product design. Briefly explain what 'Ergonomics' means. ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [2] (i) Explain one effective method for meaningfully evaluating a product prototype of a design. ……………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [2]

4E5N/D&T/7059/PRELIM/2024 [Turn over 6 2 Figure 2.1 shows a wardrobe used for storing or hanging clothing at home. Fig. 2.1 (a) Identify the type of man -made structure that the outer body of this wooden wardrobe, shown in Figure 2.1, is associated with. ……………………………………………………………………………………………... ........ [1] (b) Name and briefly explain two structural functions of this wooden wardrobe. 1 …………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ 2 …………………………………………………………………………………………... ........ ……………………………………………………………………………………………... ........ [4]

4E5N/D&T/7059/PRELIM/2024 [Turn over 7 (c) Figure 2.2 shows a shelf inside the wooden wardrobe with clothing placed on top of it. Fig. 2.2 (i) Identify the type of force acting on the shelf. …………………………………………………………………………………………….. [1] (ii) Identify the type of beam that is experiencing the same type of force as the shelf shown in Figure 2.2. …………………………………………………………………………………………….. [1] (iii) Draw the schematic diagram of the shelf experiencing the force, in the space below. You are to indicate the direction of the force clearly. [3] (iv) Laminating is a method used to reinforce the shelf, making it more rigid to resist the force(s) as shown in Fig 2.2. Explain what “laminating” (in structural terms) is. …………………………………………………………………………………………….. …………………………………………………………………………………………….. [2] Shelf Member A

4E5N/D&T/7059/PRELIM/2024 [Turn over 8 (v) Member A in Fig. 2.2 is subjected to the same type of force experienced by the shelf. Since it is a solid round rod, it is not effective in resisting the force. Draw a suitable structural member to replace Member A in the space below, clearly showing its cross-sectional view. [2] (vi) Fig. 2.3 shows one side of the shelf attached to the wardrobe walls using adhesive. Name and sketch a reinforcement that will better support the shelf to hold heavier loads. [4] Shelf Wardrobe Walls

4E5N/D&T/7059/PRELIM/2024 [Turn over 9 3 (a) Fig. 3.1 shows a wheelbarrow for gardening use. Fig. 3.1 (i) Identify the class of lever to which a wheelbarrow belongs. ……………………………………………………………………………………………... [1] (ii) Draw the schematic diagram of the lever system for the wheelbarrow with a load. Clearly indicate the effort, load, and fulcrum in the diagram. [3] (iii) Explain why it is important to use a ball bearing for the wheel in Fig.3.1. ……………………………………………………………………………………………... ……………………………………………………………………………………………... [2] Ball Bearing for wheel

4E5N/D&T/7059/PRELIM/2024 [Turn over 10 (b) Fig. 3.2 below shows a common bicycle. Fig. 3.2 (i) Identify the two mechanisms labeled Mechanism A and Mechanism B in Fig. 3.2. Mechanism A …………………………………………………………………………….. Mechanism B …………………………………………………………………………….. [2] (ii) S