Mock exam paper A Ordinary Level Marking Scheme
Q1 | 10 2 | Elevation 2 lines. Plan 3 lines. (5x2 marks) Draughtsmanship |
Q2 | 8 4 | For a good quality, well proportioned freehand pictorial sketch (5 marks for an average quality sketch or if rule used) For appropriate colour or shading |
Q3 | 6 6 | Correct name 1 Use |
Q4 | 6 6 | Half the vertical height of the triangle Correct rectangle |
Q5 | 6 6 | Circle located in correct position Focal points clearly marked on the major axis as F1 & F2. |
Q6 | 10 2 | All lines correct (-1 per incorrect line or inaccuracy) Shade or shadow |
Q7 | 12 | 16 – 17 sq. Metres = 12 (15 – 18 = 8 marks) |
Q8 | 6 6 | A = 600mm B = 600mm |
Q9 | 8 4 | Correct Elevation Good size and proportion |
Q10 | 6 6 | A – B =Trim B – C = Mirror |
Q11 | 8 4 | For each projection line of letter E to the vertical plane (-1 mark for each incorrect line) For the correct outline on vertical plane |
Q12 | 7 5 | 1 mark per correct projection line to auxiliary elevation Correct heights taken from elevation to auxiliary elevation |
Q13 | 8 4 | 4 marks per R20 arc drawn from centre of circles A and B. 4 marks for locating the circle in correct position touching A & B |
Q14 | 8 4 | Hour hand has been rotated 60degs clockwise. Hour hand has been drawn in correct position. |
Q15 | 4 8 | 2 marks per vanishing point 1 mark per correct line |
Total |
Question 2
Orthographic Projection
Orthographic Outline (10) | Elevation & End View positioned correctly (4 marks if incorrect position of plan, 1 view = 3 marks) |
Elevation (20) 8 4 4 4 | Wall outline (4 x 2 marks) Window (4 x 1 mark) Semi Circle (4 marks) Door (2 x 2 marks) |
End View (24) 8 6 4 6 | Wall Outline (4 x 2 marks) Pitched Roof (2 x 3 marks) Window (4 x 1 mark) Porch (3 x 2 marks) |
Dimension Lines (4) 4 | 1 mark per dimension line (4 x 1 mark) |
(12) | Drafting, Accuracy, Presentation |
Total 70 |
Question 3
Set – Up (8) 2 6 | X an Y axis clearly marked 3 marks per large circle |
Ellipse (32) 8 12 12 | Ellipse (ABCD) Major & Minor Axis (2 x 4 marks) Construction Drawing curve of ellipse |
Arcs (10) 5 5 | R40 Arc (2 marks for location, 2 for arc). R20 Arc (2 marks for location, 2 for arc). |
Legs (8) 2 6 | Correct Location 1 mark per line (6 x 1 mark) |
(12) | Drafting, Accuracy, Presentation |
Total 70 |
Question 3...