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CIVE40007 Materials Exam Questions 2022

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Questions and Answers

What is the characteristic of a material that increases its viscosity as it is cooled from a liquid state?

Glass (correct)
Ferrite
Cement
Martensitic steel

What is the term for a type of steel known for its high strength?

Martensitic steel (correct)
Pearlite
Austenite
Ferrite

What is the process by which glass is made into sheet products?

Float glass process (correct)
Rolling process
Extrusion process
Molding process

What is the term for a type of steel microstructure that forms when austenite transforms into a mixture of ferrite and cementite?

Pearlite (D) Signup and view all the answers

What is the term for a type of phase transformation that occurs when austenite cools?

Martensitic transformation (B) Signup and view all the answers

What is a typical objective of materials selection?

Maximise resistance to corrosion (A) Signup and view all the answers

What is a characteristic of the Bogue composition?

It ignores impurities in the Portland cement clinker phases (D) Signup and view all the answers

What is a characteristic of thermosetting plastics?

They contain a three-dimensional network of covalent bonds (D) Signup and view all the answers

How does the rate of penetration of aggressive agents into concrete change with the water/cement ratio?

It decreases with an increase in the water/cement ratio (A) Signup and view all the answers

What is the primary cause of drying shrinkage of concrete?

Water driven off from the C-S-H gel (A) Signup and view all the answers

What is the purpose of screening in material processing?

To separate materials by size (A) Signup and view all the answers

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