Practice with McCann

What is the primary driving force that causes heat to transfer from one place to another?

• A difference in pressure

• A difference in velocity

• A difference in temperature

• A difference in density

To slow down heat transfer by conduction through a wall, which type of material would be most effective?

• Copper

• Steel

• Brick

• Aluminum

Which factor will increase a material layer's thermal resistance?

• Decreasing the layer thickness

• Increasing the material's thermal conductivity

• Increasing the layer thickness

• Increasing the surface area of the layer

Which method of heat transfer involves the physical movement of a fluid, such as a liquid or a gas?

• Conduction

• Convection

• Radiation

• Absorption