Examen Langues 2020_Electriques

Question 1

TEXT

People use water to generate electricity in their power stations. They are using more and water power to produce the electricity they need. The electric power generated helps industry and the water they store irrigates the fields, that is, it helps agriculture.

The electricity from the water goes by power cables to the places where it is necessary. It also drives the turbines in a great power station.

African electrical engineers work in these power stations other people have built. We can see them in Egypt, Zimbabwe, Ghana, and Democratic Republic of Congo... They are built across rivers at the top of a waterfall or at point where the river runs down very quickly. The controlled water runs through pipes or down channels to places the power stations are built, and there it drives the turbines that generate electricity.

QUESTION BASED ON THE TEXT:
1) According to the text, turbines: