Properties of Materials Quiz

What do physical properties of materials not involve?

• Change in color

• Change in material composition

• Change in temperature

• Change in pressure

Which of the following is not considered a mechanical property?

• Conductivity

• Elasticity

• Hardness

• Tensile strength

Which of the following is a physical property that involves a change in state from solid to liquid?

• Boiling point

• Melting point

• Conductivity

• Density

What is thermal conductivity?

• The ability of a material to conduct heat

• The ability of a material to conduct electricity

• The ability of a material to resist heat

• The ability of a material to resist electricity

Which of the following is a real-life application of thermal conductivity?

• Power transmission lines

• Heat sinks in computers

• Electrical wiring

• Insulation in buildings

Which material has high thermal conductivity but low electrical conductivity?

• Diamond

• Rubber

• Copper

• Silver

What is an example of a real-life situation where both thermal and electrical conductivity are needed simultaneously?

• Solar panel

• Electric stove heating element

• Wind turbine

• Bicycle

What is the boiling point of water at 1 atm?

• 0°C

• 50°C

• 100°C

• 200°C

At what temperature does iron boil?

• 100°C

• 2862°C

• 500°C

• 1500°C

Which process is NOT a testing method for boiling point?

• Distillation

• Cooling systems

• Metal casting

• Steam power generation