AQA A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN 7552/2 Paper 2 Designing and Making Principles Version: 1.0 Final G/TI/Jun23/E6 7552/2 (JUN) A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN Paper 2 Designing and Making PrinciplesQUESTION PAPER & M

AQA A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN 7552/2 Paper 2 Designing and Making Principles Version: 1.0 Final G/TI/Jun23/E6 7552/2 (JUN) A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN Paper 2 Designing and Making Principles Friday 16 June 2023 Morning Time allowed: 1 hour 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 80.  There are 30 marks for Section A and 50 marks for Section B. For Examiner’s Use Question Mark 1 2 3 4 5 6 7–8 9–10 11–12 13–14 15 16 17 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/Jun23/7552/2 Do not write outside the box Section A – Product Analysis Answer all questions in this section. 0 1 Figures 1 and 2 show two wheelbarrows. Figure 1 Figure 2 Figure 1 Figure 2 Wheel Rotationally moulded hollow spherical HDPE tyre Low carbon steel hub with rubber tyre Bucket Injection moulded HDPE Press formed powder coated low carbon steel Frame Powder coated low carbon steel Powder coated low carbon steel Compare the suitability of the two wheelbarrows shown for use on a building site. [6 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 6 3 (03) G/Jun23/7552/2 Do not write outside the box Turn over 8 0 2 Figure 3 shows a ramp for a wheelbarrow. Figure 3 A 225 x B All dimensions in mm The maximum angle (x) that a wheelbarrow can be safely pushed up is 20 degrees. Calculate the length, AB, required to allow the wheelbarrow to be safely pushed up the ramp. Give your answer to the nearest mm. Show your working. [4 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Answer ___________________________________ mm ____ 4 4 (04) G/Jun23/7552/2 Do not write outside the box 0 3 Table 1 shows the main stages involved in manufacturing a wheelbarrow. The stages are listed in alphabetical order. Table 1 Stage Description Time required (hours) A Attach wheel assembly 1 B Attach wheel support brackets to frame 1 C Bend tubular steel frame 2 D Cut stock steel tube to length for tubular steel frame 1 E Drill bucket using template 1 F Drill securing holes in tubular steel frame 1 G Form bucket from steel sheet 2 H Produce bucket former 3 I Send bucket for galvanising 6 J Send frame for powder coating 15 Using the information from Table 1, complete the Critical Path Network (CPN) diagram in Figure 4 to show the correct order for completing the manufacture in the most time-efficient manner. Figure 4 1 D 0 [4 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 4 5 (05) G/Jun23/7552/2 Do not write outside the box Turn over 8 0 4 Figure 5 shows a powder coated low carbon steel frame for a wheelbarrow. Figure 5 Explain how jigs and templates may have been used to accurately produce multiple copies of the frame shown in Figure 5. [4 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 4 Turn over for the next question 6 (06) G/Jun23/7552/2 Do not write outside the box 0 5 Figure 6 shows a CAD model of a component for a piece of