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Design Communication and Sketching
Quick questions on Working drawings and dimensions: N(A)-Level Design and Technology
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are orthographic views?Show answer
A working drawing usually shows the object in flat orthographic views, looking straight at it from different directions:
What are adding dimensions?Show answer
Dimensions are the sizes written on the drawing. Rules of thumb:
What is using a scale?Show answer
Large objects will not fit full size on paper, so you use a scale. A scale of 1 to 3 means every 1 unit on paper represents 3 units in real life, so the drawing is smaller but in correct proportion. To find a drawing size, divide the real size by the scale number; to find a real size, multiply. Always state the scale on the drawing so sizes are not misread.
What is q1?Show answer
Name the three orthographic views usually shown on a working drawing. [3 marks]
What is q2?Show answer
A real part is 450 mm long. At a scale of 1 to 3, how long is it on the drawing? [2 marks]
What is q3?Show answer
Explain why a working drawing must include dimensions and a stated scale. [3 marks]
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