Design and Technology > AQA A/As Level Question Paper > A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN Paper 1 Technical Principle (All)
A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN Paper 1 Technical Principles Time allowed: 2 hours 30 minutes Materials For this paper you must have: normal writing and drawing instruments ... a scientific calculator. Instructions Use black ink or black ball-point pen. Use pencil only for drawing. Fill in the boxes at the top of this page. Answer all questions. You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s). Do all rough work in this book. Cross through any work you do not want to be marked. Information The marks for questions are shown in brackets. The maximum mark for this paper is 120. For Examiner’s Use Question Mark 1– 2 3– 4 5 6 7 8–9 10–11 12–13 14–15 16 17 18 19–20 21–22 TOTAL Please write clearly in block capitals. Centre number Candidate number Surname ________________________________________________________________________ Forename(s) ________________________________________________________________________ Candidate signature ________________________________________________________________________ I declare this is my own work. 2 (02) G/Jun22/7552/1 Do not write outside the box Answer all questions in the spaces provided. 0 1 State three reasons why Precious Metal Clay (PMC) may be used in the manufacture of a decorative pendant for a necklace. [3 marks] Reason 1 _________________________________________________________________________ ___________________________________________________________________________________ Reason 2 _________________________________________________________________________ ___________________________________________________________________________________ Reason 3 _________________________________________________________________________ ___________________________________________________________________________________ 0 2 A purple component is to be produced using a pigmented resin. Use the data to calculate the maximum number of these components that could be produced. You may assume unlimited supplies of clear resin and magenta pigment. [4 marks] Cyan pigment available 10 ml Single component volume 5965 mm3 Clear Resin Cyan Pigment Magenta Pigment Ratios for Purple Resin 80 4 1 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Answer ____________________________ components ____ 7 3 (03) G/Jun22/7552/1 Do not write outside the box Turn over 8 0 3 Figure 1 shows a low carbon steel shopping basket with a chrome plated finish. Figure 1 Analyse and evaluate the suitability of the material and finish used for the shopping basket. [6 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 4 (04) G/Jun22/7552/1 Do not write outside the box 0 4 Explain how rapid prototyping has impacted on traditional manufacture. [9 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 15 Turn over 8 5 (05) G/Jun22/7552/1 Do not write outside the box Turn over for the next question DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED 6 (06) G/Jun22/7552/1 Do not write outside the box 0 5 . 1 Table 1 shows a series of coordinates used by a laser cutter to produce a component. The external and internal cutting paths are shown. Table 1 External Path Internal Path (10,10) (30,20) (70,10) (60,20) (70,80) (60,70) (30,80) (40,70) (10,10) (30,20) Plot the external and internal paths on the grid below. [1 mark] 0 40 60 80 0 20 40 60 80 10 30 50 70 90 10 20 30 50 70 90 x y 7 (07) G/Jun22/7552/1 Do not write outside the box Turn over 8 0 5 . 2 Figure 2 shows the path of a laser cutter used to cut the shape below. Figure 2 0 40 60 80 0 20 40 60 80 10 30 50 70 90 10 20 30 50 70 90 x y Laser cutter path Grid spacing in mm Calculate the shaded area. [2 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Total shaded area ____________________________ mm2 ____ 3 8 (08) G/Jun22/7552/1 Do not write outside the box 0 6 Figure 3 shows the current dimensions of a school desk. If all existing components are used, calculate how much closer together Bracket A and Bracket B would be at a new desk height of 720 mm. Assume that when fully extended the end of each leg is vertically in line with the bracket on the underside of the desk. [7 marks] Figure 3 Dimension in mm Bracket A Bracket B Not drawn to scale 700 60° ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 9 (09) G/Jun22/7552/1 Do not write outside the box Turn over 8 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Distance between Bracket A and Bracket B is closer by = ____________________________ mm ____ 7 10 G/Jun22/7552/1 Do not write outside the box (10) 0 7 Explain why galvanising is an appropriate finish for the low carbon steel scaffold shown in Figure 4. [6 marks] Figure 4 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 6 11 G/Jun22/7552/1 Do not write outside the box Turn over 8 (11) 0 8 State three different stimuli that can cause a change in the property of a smart material. [3 marks] Stimulus 1 ________________________________________________________________________ ___________________________________________________________________________________ Stimulus 2 ________________________________________________________________________ ___________________________________________________________________________________ Stimulus 3 ________________________________________________________________________ ___________________________________________________________________________________ 0 9 Name a specific application for each of the following materials: [3 marks] Cellulose acetate _________________________________________________________________ ___________________________________________________________________________________ Fluted polypropylene ______________________________________________________________ ___________________________________________________________________________________ Styrofoam ________________________________________________________________________ ___________________________________________________________________________________ ____ 6 Turn over for the next question 12 G/Jun22/7552/1 Do not write outside the box (12) 1 0 Styrofoam and high-density modelling foam are often used in modelling. Compare and evaluate the suitability of each material for the manufacture of a block model that represents aesthetic appearance to a potential client. [6 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 13 G/Jun22/7552/1 Do not write outside the box Turn over 8 (13) 1 1 Explain why die casting is an appropriate manufacturing method for the model toy vehicle shown in Figure 5. [6 marks] Figure 5 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 12 14 G/Jun22/7552/1 Do not write outside the box (14) 1 2 Describe the purpose of the following polymer additives: fillers plasticisers. [2 x 2 marks] Fillers ____________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Plasticisers _______________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 1 3 Give two reasons why outdoor decking may be pressure treated before use. [2 marks] 1 _________________________________________________________________________________ ___________________________________________________________________________________ 2 _________________________________________________________________________________ ___________________________________________________________________________________ ____ 6 15 G/Jun22/7552/1 Do not write outside the box Turn over 8 (15) 1 4 A polymer extrusion process has been used to produce the rigid polyvinyl chloride (PVC) cable trunking shown in Figure 6. Describe the main stages of the polym [Show More]
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