Properties of Materials (Junior 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 type of force does tensile strength help a material resist?
What type of force does tensile strength help a material resist?
Being pulled apart
Which material property is most important for concrete pillars supporting a building?
Which material property is most important for concrete pillars supporting a building?
Compressive strength
What type of forces act on rivets joining metal plates in a steel bridge?
What type of forces act on rivets joining metal plates in a steel bridge?
Shear forces
Which property do floor joists require to support weight without sagging?
Which property do floor joists require to support weight without sagging?
Bending strength
What type of strength must a drive shaft have to transmit rotational power?
What type of strength must a drive shaft have to transmit rotational power?
Torsional strength
Why do drill bits require high hardness?
Why do drill bits require high hardness?
To cut through other materials
Which property allows copper to be drawn through dies to make thin wire?
Which property allows copper to be drawn through dies to make thin wire?
Ductility
How does malleability differ from ductility?
How does malleability differ from ductility?
Malleability involves deformation in all directions
What is a key characteristic of brittle materials like glass?
What is a key characteristic of brittle materials like glass?
Fracture suddenly with little warning
Which property allows tough materials to withstand sudden impacts?
Which property allows tough materials to withstand sudden impacts?
Ability to absorb energy
What happens when a material is stretched beyond its elastic limit?
What happens when a material is stretched beyond its elastic limit?
It becomes permanently deformed
What three types of energy can conductivity measure the flow of through materials?
What three types of energy can conductivity measure the flow of through materials?
Heat, electricity, and sound