2008. S53A Coimisiún na Scrúduithe Stáit State Examinations Commission Junior Certificate Examination 2008 Materials Technology (Wood) Ordinary Level Section A (40 Marks) Monday 16 June Afternoon, 2.00 to 4.00 Centre Number Instructions (a) (b) (c) (d) (e) Answer any sixteen questions. All questions carry equal marks. Answer the questions in the spaces provided. This booklet must be handed up at the end of the examination. Write your examination number in the box provided and on all other pages used. Section A. 1. 2. 3. 4(a) or (b). Examination Number: 5. Total. Page 1 of 12 SECTION A - 40 MARKS Answer any 16 questions from this section. All questions carry equal marks. 1. From the list given, identify the screw type shown. Round Head Screw Countersunk Head Screw Raised Head Screw NAME 2. Name the tool labelled A in the diagram and give its use. NAME USE A OR Name the tool labelled B in the diagram and give its use. NAME B USE 3. An unfinished diagram of a block of wood is shown. Draw in the end grain. Page 2 of 12 4. Name the fitting shown and give its correct use. NAME USE 5. State from which trees in the list these seeds come. A Sycamore Pine Holly Horse Chestnut Beech Ash B NAME B NAME A 6. Name the power tool shown in the diagram. NAME 7. List two safety precautions that should be observed when carrying a chisel in the classroom. 1. 2. Page 3 of 12 8. What is the bottom surface of a plane, shown at A, called? A ANSWER A 9. The diagram shows part of the cross section of a tree. Give the full name for the cells shown at A, radiating from the tree centre. NAME 10. Show by means of a tick (a) into which group each of these tools belong. TOOLS Lathe Tools Veiner Roughing Gouge Parting Tool V-Tool Spindle Gouge 11. Name the joint shown. NAME Page 4 of 12 Carving Tools 12. Name this method of conversion. ANSWER 13. From the list given, name the lathe equipment shown at A and B. A B A B 14. Give one function of the leaves of a tree. ANSWER 15. How do you prevent a drill bit from damaging a board when drilling through the board? ANSWER Page 5 of 12 FORKED CENTRE TAILSTOCK CALIPERS TOOLREST HEADSTOCK 16. What is the name of the object shown in the diagram? NAME 17. Complete the diagram of the bridle joint shown. 18. Using an arrow, indicate the earth terminal on the diagram. 19. Suggest two possible reasons why a nail splits the wood when being driven. 1. 2. Page 6 of 12 20. Give one advantage that a CD (Compact Disk) has over a floppy disk when storing files from a computer. Compact disk Floppy disk ANSWER This booklet must be handed up at the end of the examination. Page 7 of 12 BLANK PAGE Page 8 of 12 2008. S53B Coimisiún na Scrúduithe Stáit State Examinations Commission Junior Certificate Examination 2008 Materials Technology Wood Ordinary Level Section B (60 Marks) Instructions (a) Answer any three questions. All questions carry equal marks. (b) Where sketches are required they may be done freehand or on the graph paper provided. (c) Write your examination number on the answer book and on all other pages used. 1. The diagram shows a bathroom shelf unit. The unit is made from solid wood. (i) Describe, using notes and sketches, a suitable method of jointing the shelf A to the side B. (ii) Using notes and sketches describe how the sides could be cut out and shaped. (iii) Suggest a suitable applied finish for the project after it has been sanded properly. Give two reasons for your choice. Page 9 of 12 B A 2. The diagram shows a pictorial drawing of a small display shelf. All material is 15mm thick. (i) Draw, full size, a Front Elevation looking in the direction of arrow A. (ii) Project an End Elevation from this view. (iii) Include four main dimensions on the drawing, showing clearly dimension lines and arrowheads. A 3. The photograph shows a section of managed forest in Ireland. (i) Describe the management of a forest under the following headings: (a) Planting of young trees (b) Thinning (c) Harvesting (ii) Give two common uses for the thinnings. (iii) Give one reason why coniferous trees rather than deciduous trees are usually grown in these forests. Page 10 of 12 4. Answer either A or B 4A. The diagram shows a holder for a kitchen towel roll. It is made from two pieces of wood and is joined at A. (i) Make a neat diagram of each piece showing clearly how they could be jointed at A. (ii) The base is to be made from a square of wood similar to that shown at B. Describe using notes and sketches the steps involved in shaping the wood and mounting it on a faceplate before turning begins. A (iii) List three safety precautions that should be followed when using a lathe. B OR 4B. The diagram shows “rotary cutting” of veneers. (i) Explain what is happening in the diagram. (ii) Using notes and diagrams explain how veneers can be used to make pictures (marquetry). (iii) Plywood is made by gluing an odd number of veneers together. Draw a neat diagram showing the grain direction in each layer (veneer), in a piece of 3-ply plywood. Explain one advantage of this method of manufacture. Page 11 of 12 5. The diagram shows a book-stand designed to hold an open recipe book. The acrylic (Perspex) top is attached to the wooden stands using screws. (i) Describe, using notes and sketches, how the acrylic sheet is formed to a 90º angle as shown at A. (ii) It is found that when using the book-stand the pages flip over. Using notes and sketches, design a solution to this problem. (iii) List two precautions that should be followed to help prevent the acrylic sheet from cracking when drilling the holes for the screws. Page 12 of 12 A
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