Choosing Materials (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is materials selection?
What is materials selection?
Process of choosing appropriate material
What does ductility measure in materials?
What does ductility measure in materials?
Ability to deform without breaking
What does toughness refer to in mechanical properties?
What does toughness refer to in mechanical properties?
Ability to absorb energy before fracture
How is density defined as a physical property?
How is density defined as a physical property?
Mass per unit volume
Which practical consideration involves material life expectancy and recycling?
Which practical consideration involves material life expectancy and recycling?
Sustainability
What is identified in Stage 1 of the materials selection process?
What is identified in Stage 1 of the materials selection process?
Specific application requirements
Which material categories are identified in Stage 2?
Which material categories are identified in Stage 2?
Ceramics, metals, polymers, composites
What tool is useful in Stage 3 for creating a shortlist?
What tool is useful in Stage 3 for creating a shortlist?
Ashby Charts
Why is physical testing essential in Stage 4?
Why is physical testing essential in Stage 4?
To verify materials meet specifications
What can insufficient yield strength lead to?
What can insufficient yield strength lead to?
Structural failure
What occurs when carbon steel contacts stainless steel in electrolytic solution?
What occurs when carbon steel contacts stainless steel in electrolytic solution?
Galvanic corrosion accelerates
What percentage of a product's environmental impact can material selection account for?
What percentage of a product's environmental impact can material selection account for?
Up to 80%