Using Thermal Energy

Multiple Choice

In which device is fuel burned inside chambers called cylinders?

• internal combustion engine

• external combustion enegine

• heat pump

• air conditioner

Multiple Choice

During which phase of a four-stroke engine are waste gases removed?

• power stroke

• intake stroke

• compression stroke

• exhaust stroke

Multiple Choice

Which device transfers thermal energy from a cooler region to a warmer region?

• solar panel

• refrigerator

• internal combustion engine

• thermal conductor

Multiple Choice

Which type of heating system is illustrated below?

• radiator

• electric

• forced air

• solar

Multiple Choice

Which does not directly play a role in converting the motion of the pistons into rotation of the wheels?

• crankshaft

• transmission

• differential

• coolant