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ScotlandDesign and ManufactureQuick questions
Materials and Manufacture
Quick questions on Metals and their properties - SQA Higher Design and Manufacture
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 ferrous metals?Show answer
Contain iron, are usually strong, hard and cheap, but most rust (corrode) unless protected by a finish.
What are non-ferrous metals?Show answer
Contain no iron, so they resist rusting and are valued for lightness or conductivity.
What are alloys?Show answer
Made to improve on the base metals.
What is q1?Show answer
Explain why copper is chosen for electrical wiring. [3 marks]
What is q2?Show answer
Explain why mild steel car body panels must be given a finish, and name a suitable one. [3 marks]
What is q3?Show answer
Explain why cast iron is suited to a machine base but not to a part that may be dropped. [4 marks]
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