Pearson Edexcel Level 1/LeveI 2 GCSE (9—1) Time 1 hour 45 minutes Paper reference 1 DTO/I B Design and Technology COMPONENT 1 : Papers and Boards

Instructions • Use black ink or ball-point pen. • Fill in the boxes at the top of this page with your name, centre number and candidate number. • Answer all questions. • Answer the questions in the spaces provided ...

Instructions • Use black ink or ball-point pen. • Fill in the boxes at the top of this page with your name, centre number and candidate number. • Answer all questions. • Answer the questions in the spaces provided – there may be more space than you need. • Calculators may be used. • Any diagrams may NOT be accurately drawn, unless otherwise indicated. • You must show all your working out with your answer clearly identified at the end of your solution. Information • The total mark for this paper is 100. • The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Advice • Read each question carefully before you start to answer it. • Try to answer every question. • Check your answers if you have time at the end. You must have: Calculator, ruler, HB pencil, protractor, compass Design and Technology COMPONENT 1: Papers and Boards Time 1 hour 45 minutes 1DT0/1B Pearson Edexcel Level 1/Level 2 GCSE (9–1) *P71340A0228* 2  SECTION A Core Answer ALL questions. Write your answers in the spaces provided. 1 (a) The materials that products are made from are chosen because of their properties. Figure 1 shows a table of products. For each of the products shown, give a property of the material it is made from that makes the material suitable for the product. The first one has been done for you. Picture of product Material and product Property Urea formaldehyde 3-pin plug Insulator of electricity Aluminium drinks can (1) (i) ................................................................................ Felted wool fabric hat (1) (ii) ................................................................................ TRACING PAPER PAD Tracing paper (1) (iii) ................................................................................ Laminated plywood salad servers (1) (iv) ................................................................................ Figure 1 *P71340A0328* Turn over 3  (b) Explain one disadvantage of using urea formaldehyde for the 3-pin plug. (2) .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... The pins of the 3-pin plug are made from brass. Brass is an alloy of copper and zinc in the ratio of 13:7 (13 parts copper to 7 parts zinc). (c) Calculate how much copper is required to make 50kg of brass. (2) Answer ............................................................... kg (Total for Question 1 = 8 marks) *P71340A0428* 4  2 Figure 2 shows a wall mounted book holder manufactured from mahogany. DT Wall mounted book holder Book Screwed to the wall through the front of the book holder Figure 2 (a) Name one other appropriate hardwood that could be used to make the wall mounted book holder. (1) .................................................................................................................................................................................................................................................................................... (b) Explain one working property of mahogany that makes it an appropriate choice of material for the wall mounted book holder. (2) .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... Each wall mounted book holder is made as a one-off. (c) Explain one advantage for the manufacturer of making each wall mounted book holder as a one-off. (2) .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... *P71340A0528* Turn over 5  Figure 3 shows the sizes of two pieces of mahogany used to make the wall mounted book holder. 30 2 required at this length 1 required at this length 40 Figure 3 The mahogany has a cross sectional area of 5cm2 All dimensions in cm Diagram not to scale (d) Calculate the cost of the mahogany required to make one wall mounted book holder if the mahogany costs £1,200m3 . (4) Cost £ .............................................................. (Total for Question 2 = 9 marks) *P71340A0628* 6  3 Figure 4 shows an electrically powered hand drill and the circuit symbol for an electrical component. Electrical component Chuck Main body Battery Circuit symbol for the electrical component Figure 4 (a) Name the type of electrical component from the circuit symbol shown in Figure 4. (1) .................................................................................................................................................................................................................................................................................... *P71340A0728* Turn over 7  The electrically powered hand drill is being redesigned. The manufacturer is considering using a bevel gear inside. (b) Explain one reason for using a bevel gear inside the electrically powered hand drill. (2) .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... (c) The electrically powered hand drill also has a compound gear train inside. Figure 5 shows a schematic diagram of the compound gear train. 40T Driver gear Driven gear 20T 40T 20T Driver gear Driven gear T = Teeth Figure 5 Calculate the revolutions per minute (RPM) of the driven gear if the driver gear rotates at 400RPM. (2) Driven gear .............................................................. RPM *P71340A0828* 8  (d) Explain one benefit of using a battery for the electrically powered hand drill. (2) .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... The manufacturer of the electrically powered hand drill is considering using carbon fibre for the main body. (e) Explain two benefits of using carbon fibre for the main body of the electrically powered hand drill. (4) 1 ............................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... 2 ............................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... (Total for Question 3 = 11 marks) *P71340A0928* Turn over 9  4 A not-for-profit organisation has developed some agro-textiles that can be used by farmers. (a) Explain two ways that agro-textiles can be used by farmers. (4) 1 ............................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... 2 ............................................................................................................................................................................................................................................................................. .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... (b) A farmer requires 420m2 of agro-textile to cover their field. The agro-textile is available in rolls 50m long measuring 1.2m wide. Calculate the number of rolls of agro-textile the