740806
Beschreibung
Karteikarten von Adam Collinge, aktualisiert more than 1 year ago
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Erstellt von Adam Collinge
vor mehr als 12 Jahre
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| Frage | Antworten |
| What does Hydroelectric power use? | Falling water |
| What does Hydroelectric power usually require to work? | The flooding of a valley by building a big dam |
| Give three advantages of using Hydroelectric power. | 1) Its reliable 2) There's no fuel and minimal running costs 3) It can provide an immediate response |
| Give three negatives about Hydroelectricity. | 1) It has a big impact on the environment 2) They look bad 3) Initial costs are high |
| How does Hydroelectricity work? | Stored water is passed through a turbine, causing the generator to move, therefore providing electrical energy to the national grid |
| What is pumped storage? | A way of storing energy that has already been generated |
| What is a pump on a hydroelectric dam? | After the water passes through the turbine, it collects back into a secondary reservoir. This is then pumped back into the main reservoir at night, so its all saved and used efficiently |
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