WorksheetsQuiz on Ferrous and Non-Ferrous Metals
Total questions: 15
Worksheet time: 8mins
Where was the blast furnace developed by Abraham Darby?
London
Coalbrookdale
Manchester
Birmingham
What is the role of manganese in plain-carbon steel?
It increases corrosion resistance
It offsets the harmful effects of impurities
It makes the steel more flexible
It reduces the cost of production
Which element in plain-carbon steel is responsible for its hardness?
Iron
Carbon
Sulphur
Phosphorus
What is the typical carbon content in low-carbon steels?
Up to 0.1%
Up to 0.3%
Up to 0.5%
Up to 0.7%
Which property is more important for steels used in sprockets and springs?
Toughness
Wear properties
Flexibility
Color
For what purpose are steels with carbon content above 0.9% used?
Decorative items
Hand and cutting tools
Electrical wiring
Textile manufacturing
What is a spring collet?
A type of flower
A tool for holding objects
A musical instrument
A type of fabric
Which impurity might be present in cast iron?
Gold
Sulphur
Copper
Zinc
Which of the following is a characteristic of compacted graphite iron?
High thermal conductivity
Low density
High electrical resistance
Low melting point
What makes grey iron suitable for use in valves and fittings?
High elasticity
Resistance to chemicals, water, gas, and steam
High melting point
Low density
What is a disadvantage of grey iron due to its brittleness?
High flexibility
Low tensile strength
High ductility
Low compressive strength
What is the starting material for all grades of malleable iron?
Grey iron castings
White-iron castings
Steel castings
Cast iron
What is a common feature of components made from whiteheart-malleable-iron?
Large size
Thin sections
High weight
Low strength
In which industry is blackheart malleable iron widely used?
Aerospace
Automotive
Textile
Electronics
What type of malleable iron is used where high strength and wear-resistance are required?
Ferritic-malleable-iron
Austenitic-malleable-iron
Pearlite-malleable-iron
Martensitic-malleable-iron
