09 Sep




Paper 1

July/August 2010

Time: 2½ Hours



Paper 1

Time: 2½ Hours

Instructions to candidates

Candidates should have the following for this examination:

Answer booklet

Drawing instruments

Drawing paper size A3

v This paper consists of two sections; A and B

v Answer ALL questions in section A and in section B, answer question 11 and any other THREE questions.

v All dimensions are in millimeters unless otherwise stated.


Answer ALL the questions in this section


a) List four factors that promote safe working conditions in a workshop. (2mks)

b) Name four types of tools used in woodwork workshop (2mks)

c) State the difference between a jack plane and a smoothing plane. (2mks)

2) Illustrate the following defects in timber and state the causes of each.

i) Heart shake

ii) Star shake

iii) Waney edges (6mks)


a) Sketch a well labeled diagram of a general purpose saw. (3mks)

b) Name any three examples of screws you know. (2mks)

4) Give two examples of each of the following types of defects in timber

a) Seasoning

b) Conversion

c) Growth

d) Fungi attack (4mks)

5) Name the appropriate tool that would be used to carry out each of the following:

i) Measure the length of the dining table

ii) Checking the internal diameter of a round wooden bowl

iii) Marking the centre of a round dining table (3mks)

6) Using sketches, differentiate the following edge finishing

a) Chamfer

b) Bevel (2mks)


a) Differentiate between a fret saw and a coping saw (2mks)

b) Sketch a bow saw and label it. (2mks)


a) What is the function of a mallet (1mk)

b) Name the three types of bench plane (3mks)


a) Explain three conditions affecting the rate of growth in a tree. (3mks)

b) Name two major parts of each of the following tools

i) Vernier caliper (2mks)

ii) Ratchet Brace (2mks)

10) The figure 1 below an isometric view of a block. Draw the block using the correct dimensions on the paper provided.


Answer question 11 and any other THREE questions from this section. Candidates are advised to spend not more than 25 minutes on Question 11

11) The figure 2 shows a wooden piece having a tenon. Draw full size in the first angle projection all the three views on the paper provided. (15mks)


a) Explain briefly the procedure followed in planning a work piece ready for use (5mks)

b) Describe the work of the following persons in woodworking industry.

i) An artisan

ii) A craftsman

iii) Carpenter

iv) Joiner

v) Foreman (5mks)

c) Explain five safety factors to be observed in wood workshop (5mks)


a) Sketch and show the difference between a live knot and a dead knot (3mks)

b) State the use of each of the following tools

i) Nail punch

ii) Mitre square

iii) Marking

iv) Gauge

v) Trammel point

vi) Pincers (5mks)

c) State three ways of minimizing the splitting of end grains of timber during seasoning process (3mks)

d) By means of a label1ed diagram, show the difference between the kerf of a rip saw and that of a cross-cut saw (4mks)


a) Outline the procedure of manufacturing plywood from cut veneers. (10mks)

b) State the classification of plywood. (3mks)

c) State the advantages of plywood over solid timber (2mks)


a) State the precaution that should be taken so as to avoid damaging augar bits. (3mks)

b) Files and rasps are classified according to their shape and the work they do, list them down and explain how and where they are applicable. (5mks)

c) State and explain three ways of caring for a bench plane. (4mks)

d) Outline three nailing methods. (3mks)

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