IGCSE Design & Technology (0445) — May–June 2023, Paper 31

Fig. 1.1 shows a cordless drill. Identify three ergonomic features of the cordless drill.

Fig. 2.1 shows views of a butt joint using softwood 60 mm wide x 15 mm thick. Add sketches and notes to Fig. 2.1 to show how the butt joint could be strengthened.

Fig. 3.1 shows two tools, A and B, that can be used to cut sheet metal. Give the name of the tools labelled A and B in Fig. 3.1.

Fig. 4.1 shows a hardwood block with a line measured and marked out 100 mm from the datum face. Describe the purpose of the datum face.

Select the plastic from the list below that corresponds to the description. List: expanded polystyrene, PVC, nylon, polyester resin, phenol formaldehyde. (a) Good chemical and…

Fig. 6.1 shows an incomplete design for a bracket made from 3 mm thick mild steel strip that will be fixed to a wall. A weight is applied to the end of the horizontal arm. Use…

Fig. 7.1 shows a hardwood rail, 40 x 25, with a recess cut out, ready to take a butt hinge. Add sketches to Fig. 7.2 to show a complete butt hinge fitted into the recess.

Fig. 8.1 shows two components, A and B, produced by different manufacturing processes. Component A is made of plastic. Component B is made of metal. Name the manufacturing process…

Fig. 9.1 shows items of equipment (an oxygen cylinder and an acetylene cylinder) used in a process to join metals together permanently. Name a process in which the items of…

Fig. 10.1 shows a sheet of 4 mm thick hardboard (400 x 300). Use sketches and notes to show how a softwood frame could be joined to the hardboard to make a 'flush' door.

(a)(i) State two properties of MDF that make it suitable for the sweet dispenser.

(a) Acrylic is a thermoplastic. State one advantage of making the stand from a thermoplastic rather than a thermosetting plastic.

(a) State two items of research the designer would have considered when designing the desk organiser.