A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN Paper 1 Technical Principles Wednesday 5 June 2024 Afternoon 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 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/Jun24/7552/1 Do not write outside the box Answer all questions in the spaces provided. 0 1 Give three reasons why cellulose acetate is used in packaging. [3 marks] Reason 1 ________________________________________________________________________ Reason 2 ________________________________________________________________________ Reason 3 ________________________________________________________________________ 0 2 Analyse and evaluate the suitability of using acrylonitrile butadiene styrene (ABS) for the manufacture of a construction worker’s helmet shown in Figure 1. [6 marks] Figure 1 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 3 (03) G/Jun24/7552/1 Do not write outside the box Turn over 8 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 9 Turn over for the next question 4 (04) G/Jun24/7552/1 Do not write outside the box 0 3 Identify the polymer stock form used for the following manufacturing processes. [3 marks] Injection Moulding ________________________________________________________________ Vacuum Forming _________________________________________________________________ Rotational Moulding ______________________________________________________________ 0 4 Explain why thermochromatic pigment has been used in the child’s forehead thermometer shown in Figure 2. [6 marks] Figure 2