CSEC Technical Drawing · May/June 2012 · Paper 2

17 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. 1(a)12 marksConstruct the triangle.
2. 1(b)8 marksUsing points ABC of the triangle, construct a circle to pass through the three points.
3. 2(a)10 marksConstruct the polygon.
4. 2(b)10 marksConstruct a similar polygon with an enlarged area in the ratio of 7 : 4.
5. 3(a)8 marksDraw the given figure showing the pulleys.
6. 3(b)9 marksConstruct common external and internal tangents to the pulleys as shown.
7. 3(c)3 marksIdentify ALL points of tangency.
8. 420 marksDraw the given circle and the involute of the circle starting at O in an anti-clockwise direction.
9. 520 marksMake an isometric drawing of the block with 'S' as its LOWEST point, without copying the given orthographic views.
10. 6(a)8 marksDraw the given views in orthographic projection.
11. 6(b)12 marksDraw an auxiliary elevation on X'Y', omitting hidden detail lines.
12. 7(a)6 marksDraw the given views.
13. 7(b)6 marksComplete the plan.
14. 7(c)8 marksDraw the surface development of the pyramid with a-a representing the seam.
15. 8(a)6 marksDraw the given views and establish point P.
16. 8(b)8 marksStarting at P on the given elevation, draw ONE turn of a single line helix of the cylinder with a pitch of 60 mm in the direction shown.
17. 8(c)6 marksDraw an end view of the cylinder on the right of the given elevation, showing ALL hidden detail lines and omitting the elevation of the helix.