QUESTIONS
SECTION A
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- State what an industrial training centre in Kenya is. (lmk)
- State two factors to consider in order to produce quality drawing. (2mks)
- State four ways through which design ideas are communicated (2mks)
- State two classification of metals and to each case give an example. (2mks)
- Give reasons for each of the following cases. (4mks)
- Set squares are made of plastics
- Drawing board are made of block board.
- State the reasons why manufactured board were introduced into the wood industries. (3mks)
- With the aid of sketches explain two (2) methods of obtaining veneers from logs. (6mks)
- Sketch the following types of wood joints. (4mks)
- Dovetail joint
- Dowelled joint
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- Sketch the conventions for each of the following: (4mks)
- Circular tube
- Planed timber
- Switch
- Knurling
- Give the composition of the each of the following alloys: (2mks)
- Brass
- Stainless steel
- Sketch the conventions for each of the following: (4mks)
- Explain each of the following scales in relation to the size of the drawing and the actual object. Give a common example where each of the below scales would be used. (4mks)
- 20:1
- 1:20
- The figure below shows a pictorial view of a machined block. Draw FULL SIZE in first angle projection, the three orthographic views of the block. (9mks)
- The figure below shows three views drawn in third angle projections. Make an isometric drawing from the three views. (7mks)
SECTION B (20MKS)
Question 11 compulsory
It should be answered on the A3 paper provided.
- Figure 6 shows parts of a tool post drawn in first angle projection Assemb1c the parts and draw full size the following views in third angle projection:
- Sectional front elevation along the cutting plane X—X,
- Plan.
Insert four leading dimensions and do not show hidden details. (20 marks)
A wheel 72mm diameter is rolled on the outside of a large wheel 190mm diameter and after one revolution it is turned to roll on the inside of the same large wheel. Draw the locus of a point on the circumference of the small wheel as it rolls on both surface. (15mks)
- The figure below shows three views of a bracket in first angle projection. Draw the full size the oblique view of the bracket with X-X as the lowest edge(15mks)
- The figure below shows the intersection of two pieces of equal diameter at 45°. (15mks)
Copy the given views
Complete the plan
Draw the surface development of the branch pipe labelled A
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