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Materials and manufacturing
Quick questions on Finishing techniques - CCEA GCSE Technology and Design
7short 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 is preparing the surface?Show answer
Most finishes need the surface prepared first. Timber is sanded smooth (working through finer grades of abrasive paper). Metal is filed and rubbed with emery cloth, and may be cleaned (degreased) so the finish bonds. Good preparation is essential, because a finish applied to a rough or dirty surface will look poor and may not stick.
What is finishes for metal?Show answer
Ferrous metals especially need a finish, because they rust; protecting the surface from air and water is the key job.
What is q1?Show answer
Give two reasons why a product is given a surface finish. [2 marks]
What is q2?Show answer
Name a suitable finish for an aluminium product. [1 mark]
What is q3?Show answer
What does it mean to say a plastic is self-finishing? [1 mark]
What is q4?Show answer
Why must a ferrous metal be finished if used outdoors? [2 marks]
What is q5?Show answer
What preparation is needed before varnishing timber? [1 mark]
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