Unit 02. Product Design. Materials, Components & Fab. Q2

Life outdoors Ltd. is looking for a material to use for his new outdoor furniture that can withstand wear, pressure, or damage. Which property should he consider?

• Corrosion resistance

• Durability

• Pliability

• Heat conductivity

Sophie is working on a science project where she needs to choose a material that can conduct electricity for her circuit. What is the property of a material that allows it to conduct electricity?

• Electrical conductivity

• Heat conductivity

• Toughness

• Malleability

Which property refers to a material's ability to be hammered or rolled into thin sheets?

• Ductility

• Malleability

• Hardness

• Brittleness

Leo is playing with a rubber band and notices that after stretching it, the band returns to its original shape. Which property of the rubber band is being demonstrated?

• Elasticity

• Plasticity

• Toughness

• Brittleness

Pliability is the property of a material which has the ability to ​ (a)   and ​ (b)  

• Harden
• Soften
• become brittle
• flex
• bend
• scratch
• melt
• conduct heat
• anneal

NextGen Infrastructure Ltd are designing a new bridge spanning a 100ft gorge, as part of a multi million dollar motorway project. They need to choose materials that can withstand twisting forces that will be experienced by the structure due to high winds and its exposed location.

What is the ability of a material to resist these forces called?

• Torsional Strength

• Bending Strength

• Compressive Strength

• Shear Strength

The bridge is supported by a large concrete pillar, reinforced with steel, that sits in the middle of the bridges length. A huge amount of weight is acting upon the foundations of this pillar. What property must the material supporting the pillar have in order to stay structurally secure?

• Shear Strength

• Bending Strength

• Torsional Strength

• Compressive Strength

Which strength type is required as the vehicle drive over the bridge at the point furthest from the supports, where the most load is applied to the the steel lengths supporting the road surface

e

Bending Strength

Compressive Strength

Tensile Strength

Shear Strength

Torsional Strength

Isabelle is testing different materials to find out which one can withstand impacts without breaking or shattering. What property is she testing for?

• Toughness

• Pliability

• Durability

• Plasticity

During a science experiment, Jacob and Amelia are testing different materials to see which one can transfer heat the best. Which property describes the ability of a material to conduct heat?

• Electrical conductivity

• Heat conductivity

• Corrosion-resistant

• Malleability