Introduction to Metals and Alloys (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 the primary purpose of creating alloys?
What is the primary purpose of creating alloys?
To enhance metal properties
Which element must be present for a metal to be classified as ferrous?
Which element must be present for a metal to be classified as ferrous?
Iron
Which of these is a nonferrous metal?
Which of these is a nonferrous metal?
Aluminium
Why are alloys stronger than pure metals?
Why are alloys stronger than pure metals?
Different atoms distort the lattice
Which element is added to iron to make mild steel?
Which element is added to iron to make mild steel?
Carbon
Which element makes tool steel hard and resistant to high temperatures?
Which element makes tool steel hard and resistant to high temperatures?
Tungsten
What is the minimum chromium content in stainless steel?
What is the minimum chromium content in stainless steel?
10.5%
What property makes aluminium foil suitable for food wrapping?
What property makes aluminium foil suitable for food wrapping?
Doesn't react with food
Which metal is the better electrical conductor?
Which metal is the better electrical conductor?
Copper
Why is gold in jewellery alloyed with other metals like copper?
Why is gold in jewellery alloyed with other metals like copper?
To make it stronger
What is the typical carbon content range in steel by weight?
What is the typical carbon content range in steel by weight?
0.2% to 2.1%
What key advantage do nonferrous metals have over ferrous metals?
What key advantage do nonferrous metals have over ferrous metals?
Corrosion resistance