The ultimate Engineering revision guide

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Section 1—CAD / CAM

1. What does CAD stand for?

2. What does CAM stand for?

3. Identify this CAD software.

4. Identify these piece of CAM machinery.

5. List the advantages and disadvantages of CAD

6. What does CNC stand for?

7. List 3 pieces of CNC machinery.

CAD advantages CAD disadvantages

CAD advantages CAD disadvantages

Section 2— Metals

8. List 3 ferrous metals, their properties and their use.

9. List 3 non-ferrous metals, their properties and their use.

10. Why does steel rust?

11. How can you tell if a metal is ferrous?

12. How do you harden steel / list the disadvantage of hardening steel?

13. Why copper wire is used to connect electrical components?

14. What is quenching?

15. What is tempering?

16. What is an alloy?

17. List 3 alloys.

Ferrous metal Properties Use

Non-ferrous metal Properties Use

Section 3— Tools

18. Identify the tools and explain their purpose.

19. Is this tool used for cutting internal of external threads?

20. Is this tool used for cutting internal of external threads?

Tool Purpose

Section 4— Health & safety

21. Identify the machinery and list the H&S issues.

22. Identify the H&S symbols

H&S issue Solution

H&S issue Solution

Symbol Meaning Process

H&S issue Solution

Section 5— Drawings and symbols

24. What do these symbols represent?

25. What information is displayed an orthographic drawing?

26. Identify the electronic symbols.

27. Draw a schematic drawing of the electrical circuit .

Symbol Meaning Function

29. Draw the isometric shape from the orthographic projection.

Front view Side view

Plan view

Front view Side view

Section 6— Drawing

28. Copy the shapes

Front view Side view

Plan view

Side view Front view

Plan view

30. Add dimensions to the shapes 31. Draw the orthographic projection from the isometric drawing

32. What do the dotted lines represent?.

33. What is wrong with the dimension of this drawing?

34. Draw the isometric shape from the orthographic projection.

Front view Side view

Plan view

Side view Front view

Plan view

Front view Side view

Plan view

Side view Front view

35. What do the thin lines represent on the drawing below?

36. Label each view on the third angle orthographic projection.

37. Draw the isometric shape from the orthographic projection.

Section 7— Calculating area and volume

38. What is the volume of the shapes?

39. What is the volume of the cylinder?

40. What is the volume of the shapes

41. What is the area?

Section 8 — Joining material

42. Identify the fittings.

43. Name four making / manufacturing processes that involve heat?

Fitting Advantages / disadvantages Permanent or non-permanent?

Process Advantages / disadvantages

Section 9 — Plastics / composite materials

44. What plastic do you use to vac form?

45. What plastic do you use to laser cut?

46. What is a thermosetting plastic?

47. What is a thermoplastic?

48. Identify the three pieces of machinery.

49. Label the parts of the machine.

50. What is a composite material?

51. Name 2 composite materials and how they are used and their advantages.

Section 10 — Vacuum forming

52. Annotate the vacuum forming process diagram,

53. What materials do you use to make the mould and why?

54. Label 3 important features of the mould / former.

55. Name three products that are manufactured using the vacuum forming process.

Section 11 — Advances in technology

57. The images below show a 1990’s computer and a modern tablet computer. Describe the developments in design that have enabled the computers to become smaller.

58. How has modern technology made the modern cordless drill safer to use?

Section 12— Material properties / forces

59. Match the force with the illustration

Tension Bending Torsion Shear Compression

60. How cam it be tested?

Term Definition How is it tested? Illustrate

Tensile strength The ability of a material to without breaking or snapping.

Hardness The ability of a material to resist abrasive wear, indentation or defor-

mation.

Toughness The ability of a material to withstand a sudden impact without fracture

Malleability The ability of a material to withstand deformation by compression.

Ductility The ability of a material to be pulled out.

Conductivity The ability of the material to conduct an electric current.

Corrosive resistance The ability of a material to be weather resistant and not rust.

Section 13— Misceleanous questions / smart materials

61. What is tolerance?

62. Draw a jig for drilling.

63. What are the advantages of using a jig?

64. What is a smart material?

65. Give two examples of a smart materials and explained where they are used?

66. Define each scale of production and give an example.

Scale of production Definition and example product

One-off

Batch

Mass

Continuous

Smart materials Definition Picture Application

Memory shape alloy A shape-memory alloy is an alloy that "remembers" its original shape and that when deformed returns to its pre-deformed shape when heated.

Polymorph Polymorph is a thermoplastic material that can be shaped and reshaped any number of times by heating it in water over 62 degrees

3d modelling

Thermochromic ink

Section 14— Basic operations of lathe machine

67. Match the term with the lathe operation.

Tapering turning Cut-off Drilling Knurlinq Boring Threading Form turning Facing contour turning Threading Chamfering

Section 15— Cross sections

68. Complete a section view of the objects below