What is Steel? (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 maximum carbon content in steel before it becomes cast iron?
What is the maximum carbon content in steel before it becomes cast iron?
2%
What happens when carbon content exceeds 2% in an iron-carbon alloy?
What happens when carbon content exceeds 2% in an iron-carbon alloy?
It becomes cast iron
Which furnace method uses submerged electrodes to create hot arcs that melt metal?
Which furnace method uses submerged electrodes to create hot arcs that melt metal?
Electric arc furnace
What is the relationship between strength and ductility in steel?
What is the relationship between strength and ductility in steel?
Inverse - one increases, other falls
What is the typical tensile strength range for most steels in MPa?
What is the typical tensile strength range for most steels in MPa?
250-600 MPa
Which element in stainless steel provides excellent corrosion resistance?
Which element in stainless steel provides excellent corrosion resistance?
Chromium
What is the carbon content range for high carbon steel?
What is the carbon content range for high carbon steel?
0.6% to 2%
What carbon content percentage does tool steel contain?
What carbon content percentage does tool steel contain?
0.7-1.5%
What percentage of other elements classifies steel as high-alloy steel?
What percentage of other elements classifies steel as high-alloy steel?
Above 8%
Which elements in weathering steel help form a protective oxidised layer?
Which elements in weathering steel help form a protective oxidised layer?
Chromium, nickel, copper
What percentage of silicon does electrical steel contain?
What percentage of silicon does electrical steel contain?
2-3.5%
Which steel type is specifically designed for transformers, motors, and generators?
Which steel type is specifically designed for transformers, motors, and generators?
Electrical steel