Hydropower

This poll has expired (expired at 2010-04-30)

1. What is your gender?

Male
Female

2. Hydropower is power delivered from the force of energy:

of wind.
of sun.
of moving water.
of atomic energy.

3. Hydropower is the world’s most important source of renewable energy in the world.

Strongly agree
Agree
Disagree
Strongly disagree

4. Hydropower contributes to fresh water storage.

Yes
No

5. Hydropower helps fight climate change.

Strongly agree
Agree
Disagree
Strongly disagree

6. Hydropower is a renewable source of energy.

Yes
No

7. Which country produces most electricity from hydropower?

China
Canada
Norway
USA

8. Hydropower does produce greenhouse gasses or other air pollution.

Yes
No

9. How efficient is hydroelectric energy?

About 50 percent of renewable electricity generation.
About 90 percent of renewable electricity generation.
About 70 percent of renewable electricity generation.
About 80 percent of renewable electricity generation.

10. Existing hydropower is one of the least expensive sources of power.

Strongly agree
Agree
Disagree
Strongly disagree

11. How many percent of the world's electricity does hydropower ?

5%
10%
20%
25%

12. What concern is most often voiced regarding the use of hydropower as a source of generation?

Hydropower contributes to global warming.
Generation of hydropower removes water from the river.
Pollutants are released into the air and water.
Hydroelectric facilities can block fish passage.

13. Which country uses most of its own hydropower ?

USA
China
Norway
New Zealand

14. How is called the process when weathered rock, organic and chemical materials transported in a river system are trapped in a reservoir?

Sedimentation
Coagulation
Elutriation
Copurification

15. The construction materials used for the construction of the dams should be of …

low quality.
normal quality.
high quality.
very high quality.

16. Why are people most dissatisfied when they have to move from their homes (when hydropower is being built)?

They have to leave their home.
They have to leave their land.
They do not get compensation.
They lose source of income.

17. How many people worldwide have physically been displaced as a direct result of dam construction?

10-30 million
40-80 million
100-150 million
160-180 million

18. How much electricity MW (megawatts) of the world's electricity does hydropower?

315,000 MW
515,000 MW
715,000 MW
915,000 MW

19. How much electricity does the largest Three Gorges Dam complex in the world generate?

20. How long can hydro installations be used?

21. How many countries around the world generate hydropower?

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About poll:

Total Votes:35
Poll created:2010-04-10, 10:28
Category:Other (62)
Valid from:2010-04-10
Valid till:2010-04-30
Link:

Created by:

Username:aroonas
Registered:2010-04-10, 10:23

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