MEM09002 - Interpret Technical Drawings

Question 1

What is a technical drawing?

Answer 1

• Precise and detailed drawing used to communicate information
• Visually show how something is constructed and its functions

Question 2

Why do we use technical Drawings?

Answer 2

• Communication: How it works and what needs to be done
• Discussion: How to manufacture and the best way to perform work
• Data Recording: Written record of work undertaken and task completion

Question 3

What are the benefits of Technical Drawings?

Answer 3

• Simple and easily understood

Question 4

What are some Risks associated with Technical Drawings?

Answer 4

• Using outdated or incorrect technical documentation
• Misreading the information
• Doing a task without fully understanding the information

Question 5

What controls can help eliminate the hazards or minimise the risks of Technical Drawings Hazards?

Answer 5

• Personal Risk Assessment
• Follow SOP’s
• Check Version/revision details
• Check they meet standards
• Check Equipment
• Correct Tooling

Question 6

What Australian Standards highlight the rules we follow?

Answer 6

• Australian Standard 1100
• Australian Standard 1102

Question 7

What are the main features of the drawing sheet?

Answer 7

• Border
• Zones
• Ammendments
• Title Block
  Projection Symbol
  Bill of Materials

Question 8

What are the other features of a Drawing Sheet?

Answer 8

• Material
• Finish
• Drawing Standard Number
• Tolerances

Question 9

What angle is the preffered or standard for engineering drawings in Australia?

Answer 9

• Third Angle Projection

Question 10

What are provisions around Scales in a technical drawing?

Answer 10

• Technical drawings in regards to larger items are often NTS - ‘Not to Scale’ and is vital to interpret the scale of the drawing for a true representation of what the drawing is meant to display

Question 11

How are drawings made?

Answer 11

• Freehand Sketching
• By hand with drafting equipment
• computer assisted using computer software to produce the drawing

Question 12

How would we copy or reproduce drawings?

Answer 12

• Photocopying
• Dyeline Reproduction
• Computer Plotting
• Inkjet Printing

Question 13

How are drawings made to standard?

Answer 13

• They use the same symbols, lines, dimensioning techniques
• They can be understood in different places, that is, interstate or internationally

Question 14

What does the title block identify?

Answer 14

• Name of the Company
• Name of what is drawn
• Drawing sheet number for storage and reference
• Who drew the drawing + other relevant information

Question 15

Define a First Angle Projection:

Answer 15

Where the respective view is projected to the opposite side to the one you are looking at

Question 16

Define a third angle projection:

Answer 16

Where the respective view is projected to the same side that you are looking at

Question 17

Define what Tolerance is:

Answer 17

• It is the amount of variation permitted in the size of the component

Question 18

Define what amendments are:

Answer 18

• Critical area that highlights where modifications have been made. It means there is a possibility that the previous drawing may exist. Unless all earlier copies are destroyed future work could be carried out using the wrong drawings.

Question 19

Define the following pictorial presentation methods - Perspective:

Question 20

Define the following pictorial presentation methods - Isometric:

Question 21

Define the following pictorial presentation methods - Oblique Drawing:

Question 22

Define the following pictorial presentation methods - Exploded:

Question 23

Define the following pictorial presentation methods - Orthogonal: