WorksheetsConstruction Industry Metals and Steel Recycling Quiz
Total questions: 10
Worksheet time: 5mins
What are ferrous metals primarily composed of?
Copper
Aluminum
Iron
Zinc
What is the first stage in the manufacture of steel?
Convert pig iron into steel
Produce pig iron
Cast molten steel
Form steel into sections or strip
Which of the following is a raw material for the production of pig iron? (multi-choice question)
Coke
Aluminum
Iron ore
Zinc
limestone
Which of the following countries is a large producer of pig iron?
Japan
China
Mexico
South Africa
What type of steel is primarily produced using the electric arc process?
Carbon steel
Stainless steel
Cast
Iron Steel
Iron Pig
What is a key characteristic of weathering steel?
It is highly resistant to scratches.
It forms a stable rust layer that protects against further corrosion.
It is alloyed with chromium and molybdenum.
It is used to counteract strength loss in large sections.
How does the modulus of elasticity for aluminium compare to that of steel?
One-third
Equal
Twice
Half
What must be done to an aluminium section to achieve the same stiffness as an equivalent steel member?
Enlarge to approximately half the weight of the steel section
Reduce to one-third the weight of the steel section
Enlarge to twice the weight of the steel section
Keep the same size as the steel section
What is the thickness of the natural aluminium oxide film?
0.01 mm
0.01 μm
0.1 μm
1 μm
What type of water can cause corrosion in copper pipework due to high dissolved carbon dioxide levels?
Hard water
Soft water
Distilled water
Saltwater
