Engineering Drawings Flashcards
Where should the title block always be on a drawing?
Bottom right of the page
What are the two main systems in engineering drawings?
- metric (Millimetres, Centimetres, Meters, Kilometres)
- imperial (Inches, Feet, Yards, Miles)
what does First angle symbol look like?
Trapezium on left, circle on right
What is the most common type of drawing?
Isometric
what are the different types of drawings?
- isometric
- orthographic
What are the benefits of using the metric system?
- used by 96% of the world
- future proof, metric is likely to prevail over imperial
What is a ‘standard’ in engineering
an agreed way of doing something
What is the current British Standard for technical drawings?
BS8888
What are the two benefits of British standard in engineering drawings?
- efficiency
- fewer errors
what does a hidden line look like?
a series of short dashes
what do centre lines look like?
alternate short and long dashes
what is tolerance in technical drawings?
what we use to explain how much inaccuracy we are willing to accept on a finished product
