1. Graphic Communication
St. Aidan’s High School
Design and Technology Department
Graphic Communication
Standard Grade
Knowledge and Interpretation

2. Homework Sheet 1
In the space below, draw a line which would indicate a Centre Line on an Orthographic drawing.
In the space below, draw a line which would indicate a Hidden Line on an Orthographic drawing.
Where on an Orthographic drawing would a Continuous Thin Line be used?
Where on an Orthographic drawing would a Continuous Thick Line be used?
Where would the following type of line be used?

3. Homework Sheet 1 cont.
When showing dimensions an Orthographic drawing certain criteria have to be adhered to, name three important factors which have to be adhered to.
By means of a neat sketch, show how a diameter could be shown on an Orthographic drawing?

4. Homework Sheet 1 cont.
In an Orthographic drawing where space is tight for dimensioning, the larger of the two dimensions can be placed above the smaller dimensions. By means of a neat sketch, show how the larger dimension could be shown on such a drawing?
When showing a component has been sectioned (cut through), the area in question is shown with lines drawn parallel to one another. At what angle are these lines drawn.
Describe the correct method of laying out lettering on either an Orthographic or an Engineering drawing.

5. Homework Sheet 2
If special attention is required to a particular part of a drawing what can be done to show this? (Page 11) .
In the space below draw a Third Angle Projection symbol.
Name the symbol shown opposite.

6. Homework Sheet 2 cont. Name the symbol shown opposite.
Using a CAD package a number of commands are used to both simplify and speed up the production of drawings, what is the purpose of the command “Trim”.
Explain what is meant by the term “File”.
Explain what is meant by the term “Handles”.
Kite Mark
Kite Mark

7. Name the symbol shown opposite.
Homework Sheet 2 cont.
When using a CAD package a number of commands are used to both simplify and speed up the production of drawings, what is the purpose of the command “Copy”.
Explain what is meant by the term “Disc”.
Explain what is meant by the term “Database”.
Explain what is meant by the term “Font”.
Kite Mark
Kite Mark

8. Homework Sheet 3 What is a Grid and what is it’s purpose?
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 3
What is a Grid and what is it’s purpose?
In the space provided below draw the symbol which, if reading a construction drawing would indicate “Wood any type”.
In the space provided below draw the symbol which, if reading a construction drawing would indicate “Brickwork”.
In the space provided below draw the symbol which, if reading a construction drawing would indicate “Insulation”.
Kite Mark
Kite Mark

9. Name the symbol shown opposite.
Homework Sheet 3 cont.
In the space provided below draw the symbol which, would indicate a “Sinktop”.
In the space provided below draw the symbol which if reading a construction drawing would indicate “Concrete”.
In the space provided below draw the symbol which would indicate a “Door”.
Kite Mark
Kite Mark

10. Name the symbol shown opposite.
Homework Sheet 3 cont.
In the space provided below draw the symbol which would indicate a “Switch”.
In the space provided below draw the symbol which would indicate a “Valve”.
In the space provided below draw the symbol which would indicate a “Signal Lamp”.
Kite Mark
Kite Mark

11. Homework Sheet 4 Describe the difference between 2½D and 3D
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 4
Describe the difference between 2½D and 3D
With reference to computer graphics, describe the difference between an Animation and a Simulation.
Kite Mark
Kite Mark

12. Name the symbol shown opposite.
Homework Sheet 4 cont.
Give an example of a document which has been Desk Top Published (DTP)
What is a CPU and what is it’s purpose?
Briefly describe the difference between the Flat Bed and Drum plotters.
Kite Mark
Kite Mark

13. Homework Sheet 4 cont. What is a Digitiser and what is it’s purpose .
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 4 cont.
What is a Digitiser and what is it’s purpose .
A Dot Matrix Printer is an older type of printer, briefly describe how it makes prints.
What is the difference between Hardware and Software with reference to a computer.
Kite Mark
Kite Mark

14. Homework Sheet 4 cont. Give three examples of Hardware.
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 4 cont.
Give three examples of Hardware.
When using a CAD package, layers are generally set up for different line types. What are the benefits of doing this?
What is meant by the term “Real Time”.
Kite Mark
Kite Mark

15. Homework Sheet 4 cont. Explain what is meant by the term “Resolution”.
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 4 cont.
Explain what is meant by the term “Resolution”.
Explain what is meant by the term “VDU”.
Kite Mark
Kite Mark

16. Homework Sheet 5. Explain what is meant by the term “Snap”.
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 5.
Explain what is meant by the term “Snap”.
Explain what is meant by the term “ROM”.
Kite Mark
Kite Mark

17. Name the symbol shown opposite.
Homework Sheet 5 cont.
List three advantages and three disadvantages of a CAG system.
Kite Mark
Kite Mark

18. Name the symbol shown opposite.
Homework Sheet 5 cont.
Explain the advantages and disadvantages between a Wire Frame model and a Solid model.
Why are graphs and charts used to convey statistical information?
When would it be preferable to use a Pie Chart to display information.
Kite Mark
Kite Mark

19. Name the symbol shown opposite.
Homework Sheet 5 cont.
When would it be preferable to use a Line Graph to display information.
When would it be preferable to use a Bar Chart to display information.
In your own words give a full explanation of the use of scale with respect to orthographic drawings.
Kite Mark
Kite Mark

20. Name the symbol shown opposite.
Homework Sheet 5 cont.
Briefly describe the difference between the Flat Bed and Drum plotters.
Kite Mark
Kite Mark

21. Name the symbol shown opposite.
Homework Sheet 6
In the space provided below draw the symbol which, if reading a construction drawing would indicate “Wood any type”.
In the space provided below draw the symbol which, if reading a construction drawing would indicate “Brickwork”.
In the space provided below draw the symbol which, if reading a construction drawing would indicate “Insulation”.
Kite Mark
Kite Mark

22. Name the symbol shown opposite.
Homework Sheet 6 cont
When using a CAD package a number of commands are used to both simplify and speed up the production of drawings, what is the purpose of the command “Fillet”.
When using a CAD package a number of commands are used to both simplify and speed up the production of drawings, what is the purpose of the command “Chamfer”.
Name the symbol shown opposite.
Kite Mark
Kite Mark

23. Name the symbol shown opposite.
Homework Sheet 6 cont
What is the purpose of a Sequence Diagram (Storyboard).
Give an example of where a Sequence Diagram could be found.
There are three types of commonly used building drawings, name each, indicating the preferred scale used for each.
Type of Drawing
Preferred Scales
Kite Mark
Kite Mark

24. Name the symbol shown opposite.
Homework Sheet 7
Briefly explain the meaning of the following term; Part Section.
When manufacturing Engineering components “Webs” are commonly used to help strengthen the component. When drawing a section on such a component, the web is not shown as a section. Name two other components which when drawing a section do not require to be shown as a section.
Kite Mark
Kite Mark

25. Name the symbol shown opposite.
Homework Sheet 7 cont
Using the pictogram on page 33, what football team has the greatest attendance of fans and on average how many fans attend games.
Briefly explain the meaning of the following term; Hatching.
Kite Mark
Kite Mark

26. Name the symbol shown opposite.
Homework Sheet 7 cont
List three advantages and three disadvantages of a CAG system.
Kite Mark
Kite Mark

27. Name the symbol shown opposite.
Homework Sheet 7 cont
The following questions all relate to the diagram found on pages 12 & 13 of the K & I booklet.
Name each of the drawings A & B.
Name the part into which the Plug (part No ) fits.
Name the part into which secures part No to part No
Give the part No. which joins the Module Assembly to the Body Service Module.
Kite Mark
Kite Mark

28. Name the symbol shown opposite.
Homework Sheet 7 cont
Give the part No. of the item which insulates the Block Mounting from the Body Service Module.
What is the temperature at which the thermostat (part No ) operates?
What is the voltage at which the cartridge heater (part No ) Operates?
Kite Mark
Kite Mark

29. Homework Sheet 8 Explain what is meant by the term “Screen Dump”.
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 8
Explain what is meant by the term “Screen Dump”.
Explain what is meant by the term “Pixel”.
Explain what is meant by the term “DPI”.
Kite Mark
Kite Mark

30. Homework Sheet 8 cont Explain what is meant by the term “Font”.
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 8 cont
Explain what is meant by the term “Font”.
List three Reduction and three Enlargements scales which could be used on an Engineering drawing.
There are three types of commonly used building drawings, name each, indicating the preferred scale used for each.
Type of Drawing
Preferred Scales
Kite Mark
Kite Mark

31. Name the symbol shown opposite.
Homework Sheet 8 cont
Briefly describe the type of information which would be shown on a Location plan.
Briefly describe the type of information which would be shown on a Site plan.
Kite Mark
Kite Mark

32. Name the symbol shown opposite.
Homework Sheet 8 cont
Briefly describe the type of information which would be shown on a Floor plan.
When would it be preferable to use a Line Graph to display information.
When would it be preferable to use a Bar Chart to display information.
Kite Mark
Kite Mark

33. Homework Sheet 9 Name the symbol shown opposite.
In the space provided below draw the symbol which, if reading a construction drawing would indicate an “In-line valve”.
In the space provided below draw the symbol which would indicate a “Bath”.
Kite Mark
Kite Mark

34. Name the symbol shown opposite.
Homework Sheet 9 cont
In the space provided below draw the symbol which, if reading a construction drawing would indicate a “Window”.
In the space provided below draw the symbol which would indicate a “Switch”.
In the space provided below draw the symbol which if reading a construction drawing would indicate “Brickwork”.
Kite Mark
Kite Mark

35. Name the symbol shown opposite.
Homework Sheet 9 cont.
Describe the difference between 2½D and 3D
What is a CPU and what is it’s purpose?
In the space provided below draw the symbol which if reading an electrical drawing would indicate a “Primary or Secondary cell”.
In the space provided below draw the symbol which would indicate a “Power Socket Outlet”.
Kite Mark
Kite Mark

36. Name the symbol shown opposite.
Homework Sheet 10
Explain what is meant by the term “Snap”.
In the space provided below draw the symbol which would indicate a “Signal Lamp”.
Briefly describe the difference between the Flat Bed and Drum plotters.
Kite Mark
Kite Mark

37. Homework Sheet 10 cont. What is a Digitiser and what is it’s purpose .
Name the symbol shown opposite.
Name the symbol shown opposite.
Homework Sheet 10 cont.
What is a Digitiser and what is it’s purpose .
Name the symbol shown opposite.
With reference to computer graphics, describe the difference between an Animation and a Simulation.
Kite Mark
Kite Mark

38. Name the symbol shown opposite.
Homework Sheet 10 cont.
Give an example of a document which has been Desk Top Published (DTP)
A Dot Matrix Printer is an older type of printer, briefly describe how it makes prints.
Give three examples of Hardware.
Kite Mark
Kite Mark

39. Name the symbol shown opposite.
Homework Sheet 10 cont.
When using a CAD package, layers are generally set up for different line types. What are the benefits of doing this?
What is meant by the term “Application Software”.
Kite Mark
Kite Mark

40. Homework Sheet 11
In the space below, draw a line which would indicate a Centre Line on an Orthographic drawing.
In the space below, draw a line which would indicate a Hidden Line on an Orthographic drawing.
Where on an Orthographic drawing would a Continuous Thin Line be used?
Where on an Orthographic drawing would a Continuous Thick Line be used?
Where would the following type of line be used?

41. Name the symbol shown opposite.
Homework Sheet 11 cont.
List three advantages and three disadvantages of a CAG system.
Kite Mark
Kite Mark

42. Name the symbol shown opposite.
Homework Sheet 11 cont.
Explain the advantages and disadvantages between a Wire Frame model and a Solid model.
Why are graphs and charts used to convey statistical information?
When would it be preferable to use a Pie Chart to display information.
Kite Mark
Kite Mark

43. Name the symbol shown opposite.
Homework Sheet 11 cont.
In the space provided below draw the symbol which would indicate a “Door”.
In the space provided below draw the symbol which would indicate a “Shower Tray”.
In your own words give a full explanation of the use of scale with respect to orthographic drawings.
Kite Mark
Kite Mark

44. Colour Theory Homework 1
A prism is used to split a light beam into seven different colours. What is the name given to these seven colours?
In the table below and in the correct order, neatly fill in the boxes with the colours of the spectrum.

45. Colour Theory Homework 1cont.
To remember the colour range on the spectrum, what mnemonic can be used?
What is a pigment, give an example to help with your answer?
Red
Orange
Yellow
Green
Blue
Indigo
Violet

46. Colour Theory Homework 1cont.
In what two distinct ways can colour be mixed?
When will an object reflect all light?
When will an object absorb all light?

47. Colour Theory Homework 1cont.
What is a primary colour?
Name the three primary colours.
 What is a colour wheel and what is it’s purpose?

48. Colour Theory Homework 2
What is a secondary colour?
 Name the three secondary colours.
What is a tertiary colour?
Name the six tertiary colours

49. Colour Theory Homework 2 cont
Briefly explain what is meant by the term Hue.
Briefly explain what is meant by the term Saturation
Briefly explain what is meant by the term Tone.

50. Colour Theory Homework 2 cont
Explain the difference between Tint and Shade.
Briefly explain why colour choice is so important.
Briefly explain what is meant by the term Monochromatic when dealing with colour arrangements.

51. Colour Theory Homework 3
Briefly explain what is meant by the term Contrast harmony when dealing with colour arrangements.
Briefly explain what is meant by the term Achromatic when dealing with colour arrangements.
Complete the following:
Blue + Yellow =
Red + Yellow =
Red + Blue =  
What are the resulting colours categorised as?

52. Colour Theory Homework 3 cont
Green, blue/green and blue are colours found on the colour wheel. What can a group of such related colours be called?
Different colours portray different moods. For the colours listed below, write down against each, three possible moods.
Black
Red
Yellow

53. Colour Theory Homework 3 cont
What is meant by the term receding colour?
What is meant by the term advancing colour?

54. Colour Theory Homework 3 cont
There are six commonly used categories of safety signs. Name each of the categories in the space below.
For each of the signs shown above give a brief explanation of it’s purpose.