IGCSE Design & Technology (0445) — October–November 2024, Paper 32

Carbon fibre reinforced plastic (CFRP) is used to build many different aircraft parts. State two benefits of using carbon fibre reinforced plastic (CFRP) to build aircraft parts.

Fig. 2.1 shows pipes used for plumbing being joined together (a metal pipe and a blowtorch shown). (a) Name the metal used for the pipes.

Fig. 3.1 shows a through mortise and tenon joint. Add sketches and notes to Fig. 3.1 to show how the joint could be prevented from being pulled apart in the direction of the arrow…

Fig. 4.1 shows three products made of different materials: a mild steel wheelbarrow body, a silver pendant and a brass tap. State a suitable different finish for each product.

Fig. 5.1 shows 4 mm thick acrylic sheet that has been shaped (40 and 130 dimensions, with a curved bend). Use sketches and notes to show how the curved shape could be produced.

Fig. 6.1 shows details of a steam chest that would be used to steam bend wood (vent, end sealed, steam feed pipe, steam generator, drain hole/pipe and bucket shown). List three…

Fig. 7.1 shows part of a length of mild steel square tube (20 x 20) and an engineer's vice. A hacksaw will be used to cut the tube to make a 90 degree bend; an area is to be cut…

Fig. 8.1 shows a body shell for a car made from glass reinforced plastic (GRP). Explain what is meant by the term 'glass reinforced plastic' (GRP).

Fig. 9.1 shows a variety of supermarket shopping bags made from plastic and the symbol 'LDPE' showing the type of plastic from which the bags are made. (a) Name the type of…

Fig. 10.1 shows two hardwood stools, A and B. Stool A has been fabricated and stool B has been made by steam bending. Explain why stool B would be cheaper to mass produce than…

(a) Give two benefits of using hardwood for the tablet stand.

(a) Fig. 12.2 shows a card template of the coat hook shape (300 x 200) glued onto mild steel sheet. The waste between the legs, labelled A, will be removed by drilling a hole…

(a)(i) Name a suitable hardwood for the sides of the case.