Carnot Engine Efficiency Quiz

To transport goods over long distances

To convert heat into mechanical work efficiently (correct)

To generate electricity from sunlight

To convert mechanical work into heat efficiently

It depends on the speed of the engine

It depends on the temperature difference between the heat reservoirs (correct)

It depends on the type of fuel used

It depends on the engine's weight and size

The efficiency decreases (correct)

The efficiency increases

The efficiency becomes zero

The efficiency remains constant