KCSE 2015 Drawing and Design Paper 1 with Marking Scheme

MARKING SCHEME

1.    
   1.    
      • Ability to identify business opportunity.
      • Ability to mobilize or get resources.
      • Ability to start and run a business. 
      • ability to pursue self employment
      • Ability to solve problems
      • Ability to take risks
        (3 x 1 = 3 marks)
   2.    
      • for draughting / design
      • reference / research
      • storage
      • editing
      • sharing / dissemination
      • display / view 
      • printing 
      • drawing
        (= 2 marks)
2.    
   1.    
      • conical / pointed for drawing visible outlines
      • chisel - construction of lines, circles and arcs.
        = (2 marks)
   2.    
      • Uniformity in height / use of guide lines
      • proportionality
      • strength of lines/outlines
      • spacing of words / letters 
      • consistency is style (either upright or slanting)
        = 2 marks
3.    
   1. 
      
      5 correctly indicated grains
      direction 5 x ½= 2½
   2. Design situation is the need to solve a problem, while design a brief is a written statement which indicates the how the problem is be solved and what is to be designed.
      design situation - 1x1 = 1
      design brief - 2 x 1 = 2
      3 marks
4.    
   1.    
      1. Item number
      2. Description Material
      3. No. off / number required
      4. Title
      5. Number of components required
         (2 marks)
   2. 
      
      (2 marks)
5. 
   
   Front elev.
   3 faces x 1 mark = 1 mark
   Hatching ½ = ½ mark
   End elev.
   2 faces x 1 = 2 marks
   Cutting plan = ½ mark
   Total = 6 marks
6. 
   
   Any 8 faces x ½ = 4 marks
   projection = 1 mark
   Line work / neatness = 1 mark
   6 marks
7. 
   
   Interpretation of scale reduction - 1 mark
   Divisions - 1 mark
   Projection - 1 mark
   Final drawing - 1 mark
   Total = 4 marks
8. 
   
   Determining the 4km length - 1 mark
   Labelling of scale 0 - 3 km - 1 mark
   Construction of diagonal scale
   Horizontal - 1 mark
   Vertical - 1 mark
   Diagonal - 1 mark
   Indication of 2.81 km reading
   6 marks
9. 
      
   • Dividing the plan into equal parts
   • Projection from plan to front view base
   • Projection from front (base & apex) to Aux view
   • Determining centre line of Aux. view I to projections
   • Transfer parts from plan to auxilliary base
   • Joining the parts to form a smooth curve
   • Showing ✓ hidden details
     Total = 6 marks
10.  
    
11.  
    
12.  
      
    • Copying the figure - 4 links x ½
    • Circle
    • Division of circle
    • Projection of PV's to XY
    • Marking of point T
    • Projecting of TV from point T
    • Locating of different positions of V
    • Joining the points of V to form a smooth curve
      Total = 15 marks
13.   
    
14. 
    
    Front
    • Copying the figure
    • Semicircle / auxilliary view
    • Dividing semi circle
    • Projection to front
    • Projection from front to plan
      
      Plan 
    • Copying the figure
    • Semicircle
    • Dividing semi circle
    • Projection to plan
    • Projection from plan to front
      
      Curves 
    • Plotting at plan 
    • Completing the plan 
    • Plating line of intersection
    • Competing line of intersection infront
    • Neatness
      Total = 15 marks