UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level DESIGN AND TECHNOLOGY Paper 1 Technology October/November 2006 2 hours 30 minutes Additional Materials: Answer Booklet/Paper Plain paper Sketching equipment
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READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. Part A Answer all questions Part B Answer four questions. Answer one question from Section 1, two questions from Section 2, and one other question from either Section. Use sketches where appropriate to help answer any question. You are advised to spend no longer than 45 minutes on Part A and 1 hour 45 minutes on Part B. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question.
This document consists of 11 printed pages and 1 blank page. SP (SJF3876/CG) T02851/3 © UCLES 2006
2 Part A You are advised to spend no more than 45 minutes on this part. Attempt all questions
Name the two forms of woodwork construction shown in Fig. 1.
A Fig. 1
Sketch a hand file and state the reason for it having one smooth edge.
Give two reasons why evaluation is important in design
Fig. 2 shows a cooking pan made entirely from metal.
Fig. 2 (a) State a suitable metal for the pan and give a reason. (b) Why could the metal handle be a problem? 
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3 5 State two precautions you should take when working with glass reinforced plastic [GRP]. 
Sketch cross-sections of the following processed boards. (a) Plywood (b) Chipboard (c) Blockboard 
Give two reasons why PVC plastic would be a suitable material for the beach ball shown in Fig. 3. 
State two properties that can help to identify a timber.
Sketch the following fixings. (a) wing nut (b) panel pin 
10 Explain the term ‘fluidization’ as applied to plastics.
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4 Part B You are advised to spend at least 1 hour 45 minutes on this part of the examination. Attempt four questions including one from Section 1, two from Section 2 and one further question from either section. All questions carry equal marks. Section 1 – Tools and Materials 11 Many measuring devices and testing methods are used to check work. Three are shown in Fig. 4.
Fig. 4 (a) Identify each of the measuring or testing devices shown in Fig. 4 and explain the purpose of each.  (b) Explain: (i) (ii) (iii) how device A is used to take a measurement; how device B measures an item and what system stops it being over-tightened; how device C has ease of reading and what makes it multi purpose.  
(c) Explain why device A is the least accurate.
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5 12 Many projects fail because the designer does not consider the environment in which the material is to be used. (a) Explain the effect of the following. (i) (ii) (iii) salt water on a softwood boat ladder a too high a wattage [or high power] light bulb on an acrylic shade a leaking lead acid battery on a mild steel support 
(b) Using examples, explain how (i) (ii) (iii) water, heat, acid 
can each be used to advantage on materials. (c) Explain how air helps in the following situations. (i) (ii) (iii) newly cut planks of timber hot metal casting making a plastic bottle
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6 13 Fig. 5 shows three products which have had their basic materials modified during manufacture.
A chisel blade (high carbon steel)
B model car body (polyester resin)
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