Unit 1.2 A Level Materials Performance Characteristics Quiz

Which of the following is a mechanical property of materials?

• Electrical conductivity

• Tensile strength

• Thermal expansion

• Colour

What is the primary purpose of material testing?

• To determine the colour of a material

• To assess the mechanical properties of a material

• To measure the weight of a material

• To calculate the cost of a material

Which material property is most important for electrical wiring?

• Thermal conductivity

• Electrical conductivity

• Density

• Hardness

What is the unit of measurement for tensile strength?

• Newtons per metre

• Pascals

• Joules

• Watts

Which of the following materials is known for its excellent thermal insulation properties?

• Copper

• Aluminium

• Polystyrene

• Steel

What is the environmental impact of using non-recyclable materials?

• Reduced energy consumption

• Increased landfill waste

• Improved air quality

• Enhanced material durability

Which test is used to measure the hardness of a material?

• Tensile test

• Impact test

• Brinell test

• Fatigue test

What is the primary factor to consider when selecting materials for a high-temperature application?

• Electrical conductivity

• Thermal expansion

• Thermal conductivity

• Density

Which of the following materials is a good conductor of electricity?

• Rubber

• Glass

• Copper

• Wood

What is the effect of temperature on the electrical conductivity of most metals?

• Increases with temperature

• Decreases with temperature

• Remains constant

• Varies unpredictably