This is a short 10-minute online quiz on material properties in Design Technology. Answer all questions. Some questions require you to select the correct answer, others require a short written response or filling in the blank. For questions with data, refer to the provided chart or table to answer. The total marks for this quiz are 15.
This is a short 10-minute online quiz on material properties in Design Technology. Answer all questions. Some questions require you to select the correct answer, others require a short written response or filling in the blank. For questions with data, refer to the provided chart or table to answer. The total marks for this quiz are 15.
Which property describes the ability of a material to be stretched into a wire without breaking?
Ductility
Brittleness
Hardness
Malleability
Hardness
A material that absorbs energy and deforms plastically without fracturing is considered tough.
Which of the following materials is most likely to be used where electrical conductivity is important?
MDF
Copper
Balsa
Acrylic
A student wants to test the brittleness of four different materials. Which test would be most suitable?
Scratching the materials to see if they leave a mark
Hammering the materials to see if they flatten
Heating the materials to see if they melt
Bending the materials to see if they snap
The ability of a material to be shaped or flattened into thin sheets by hammering or rolling is called
malleability
Which property is being tested when a material is exposed to repeated bending until it breaks?
Plasticity
Fatigue resistance
Toughness
Elasticity
Refer to the following data chart showing the results of a hardness test for four materials:
Which material is the hardest according to the chart?
Mild Steel
Oak
Acrylic
Aluminium
Match the property to its correct definition: a) Elasticity
b) Durability
c) Plasticity
The following materials are tested for their permeability to water: Balsa, PVC, Carbon fibre, and MDF. The bar chart below shows the amount of water absorbed (ml) over 1 hour.
Which material is most permeable?
Balsa
Carbon fibre
PVC
MDF
