Hydroelectric Power

Hydroelectric energy is powered by moving water

• True

• False

The advantage of hydroelectric power station.

• It has the lowest running cost

• Simple in design and construction

• Very small running operation cost

The disadvantage of hydroelectric power station.

• The highest initial cost compared to other types of plant.

• It involve high capital cost due to construction of dam. 

• There is a problem in starting the unit.

• The overall efficiency is low (20%).

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Take the water from reservoir to water turbine.

• Dam

• Penstock

• Surge tank

• Spillway

Which two sentences from the text best show the relationship described in part A?

• "Actually, hydroelectricity and coal - fired plants produces electricity in a similar way."

• "The generator is the motor that produces electricity."

• "A hydroelectric plant uses water falling water to turn the turbine."

• "A typical hydroelectric dam is built on a big river with a large drop in elevation."

• "Power lines connected the the generator carry electricity to your home and mine."

Tags

NGSS.MS-PS3-5

What else does hydro energy provide and improve

• Flood control

• irrigation

• navigation

• All of the above

Where are most hydroelectric power plants planned to be built

• Most of Europe

• Russia and Germany

• Latin America and Asia

• Some parts of Australia

In a hydropower plant, what turns to generate electricity?

• turbine

• generator

• penstock

The generator of a hydropower plant uses ___ to help generate electricity.

• magnets only

• copper wires only

• magnets and copper wires

Of all the renewable energy sources, which is used in the greatest amount?

• hydropower

• wind

• biomass

• geothermal