Practice 4.2a Metals and metallic alloys with authentic IB Design Technology (DT) exam questions for both SL and HL students. This question bank mirrors Paper 1, 2, 3 structure, covering key topics like materials and processes, product design, and sustainability. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Paper
Level
Question 1
SLPaper 2
Selecting the appropriate material(s) for a product like a bridge is challenging and intricate, as each material offers distinct physical, aesthetic, and mechanical characteristics. Additionally, the choice of material(s) may involve environmental, social, cultural, moral, and ethical considerations.
The Anzac Bridge in Sydney, Australia, is a cable-stayed structure constructed from reinforced concrete and steel cables.
There are also cases where more traditional materials like wood is used.
1.[3]
Discuss why recycling steel-reinforced concrete is problematic.
2.[6]
Examine the conflict between form and function when a new bridge is designed.
Question 2
HLPaper 1
Which of the following are required to extract iron from its ore?
I. Coke and limestone
II. A blast furnace
III. Electrolysis
Question 3
SLPaper 1
Which of the following is the primary alloying element in stainless steel that provides its corrosion resistance?
Question 4
SLPaper 1
Metals and metallic alloys can be readily recycled. Which of the following is an example of a metallic alloy?
Question 5
HLPaper 1
The grain size in a metal can affect the properties. Which of the following statements are true?
I. The larger the grains, the more brittle the metal
II. The smaller the grains, the more brittle the metal
III. The larger the grains, the more ductile the metal
Question 6
SLPaper 1
What process will increase the toughness of a metal?
Question 7
SLPaper 1
Which best describes the purpose of tempering?