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EnglandProduct Design and TechnologiesQuick questions
Mathematical and technical principles
Quick questions on Scales, ratios and geometry: technical drawing and sizing - Edexcel A-Level Product Design
4short 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 converting units?Show answer
Work in one set of units: mm cm, cm m, mm m. For area and volume, the conversion factor is squared or cubed ( cm squared mm squared; cm cubed mm cubed). Getting units consistent first prevents most errors.
What is q1?Show answer
A part is drawn at and measures mm on the drawing. What is its real length? [1 mark]
What is q2?Show answer
A rectangular sheet is m by m. Find its area in square metres. [1 mark]
What is q3?Show answer
A cylindrical bottle has radius cm and height cm. Find its volume and its capacity in litres. [2 marks]
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