Decorative Finishing Processes (Junior Cert Engineering): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What are the three main categories of decorative finishing processes?
What are the three main categories of decorative finishing processes?
Mechanical, chemical & coating
What does polishing use to create a smooth, shiny surface finish?
What does polishing use to create a smooth, shiny surface finish?
Abrasive compounds & soft materials
Where should work be held when using a polishing machine?
Where should work be held when using a polishing machine?
Below the centre line of the wheel
What diameter wooden dowel is used in the mottling process?
What diameter wooden dowel is used in the mottling process?
Approximately 8mm
What paste is applied to the dowel in the mottling process?
What paste is applied to the dowel in the mottling process?
Carborundum paste
What type of hammer is used to create textured surface finishes?
What type of hammer is used to create textured surface finishes?
Round-ended hammer
Which metals work best for the punching process?
Which metals work best for the punching process?
Copper & aluminium
What material is the metal embedded in during the repoussé process?
What material is the metal embedded in during the repoussé process?
Pitch
What is the most common tool used in engraving?
What is the most common tool used in engraving?
Square graver
Which acid is used for etching copper and brass?
Which acid is used for etching copper and brass?
Ferric chloride
At what temperature is enamel fired in a kiln?
At what temperature is enamel fired in a kiln?
Approximately
Why should you never put wet items into a hot enamelling kiln?
Why should you never put wet items into a hot enamelling kiln?
Explosion risk from rapid steam
What is the colour progression during the blueing process on steel?
What is the colour progression during the blueing process on steel?
Straw → purple → blue → gray
To what temperature should articles be pre-heated for plastic coating?
To what temperature should articles be pre-heated for plastic coating?
Approximately
In electroplating, what does the article to be plated become?
In electroplating, what does the article to be plated become?
Cathode (negative terminal)