CAPE Building and Mechanical Engineering Drawing Unit 2 · 2017 · Paper 2

22 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)(i)6 marksGraphically determine the reactions R₁ and R₂.
2. 1(a)(ii)8 marksGraphically determine the magnitude of the force acting on EACH member.
3. 1(b)6 marksState the type of force acting on EACH member.
4. 2(a)12 marksDraw the plan of the figure.
5. 2(b)6 marksDraw the elevation of the figure.
6. 2(c)2 marksLabel the drawings.
7. 3(a)2 marksState TWO reasons for using lubricants with engineering components.
8. 3(b)(i)1 markGive an example of a liquid lubricant.
9. 3(b)(ii)1 markGive an example of a solid lubricant.
10. 3(c)6 marksState THREE advantages EACH of using liquid and solid lubricants.
11. 3(d)10 marksExplain, with the aid of diagrams, the bath and splash lubrication systems used for internal lubricating.
12. 4(a)10 marksSketch, freehand and in good proportion, an exploded isometric view of the bearing support including a plain bushing, bolts and gasket.
13. 4(b)2 marksDraw a sectioned orthographic view of the plain bushing.
14. 4(c)6 marksFully dimension the bushing showing the machining symbols. The internal diameter of the bushing is 30.015 minimum and 30.035 maximum. The outside diameter is 48 (+0.010 / +0.025).
15. 4(d)2 marksSketch the symbol that shows a 6 mm fillet weld on both sides.
16. 5(a)5 marksList FIVE differences among the drives shown in Figure 4.
17. 5(b)4 marksSketch, freehand, a method of joining the links of the chain shown in Figure 4 (B).
18. 5(c)5 marksUse sketches to show the details of how the electric motor and pump should be joined to allow the motor to turn the pump.
19. 5(d)6 marksSketch, freehand, an isometric view of a double shoe internal drum brake. Label the components.
20. 6(a)4 marksDescribe TWO mechanisms that can be proposed as solutions to the problem.
21. 6(b)13 marksSelect ONE of the mechanisms described in (a) and produce neat, labelled sketches to show how the mechanism works.
22. 6(c)3 marksWrite a brief description of the operation of the mechanism selected in (b).