E-CET Quiz
1 / 11
Has coal's contribution to the overall energy consumption gone up or down?
2 / 11
Since 1980, the contribution of hydroelectric, geothermal, wind, and solar has:
3 / 11
Since 1980 the world energy consumption of fossil fuels has:
4 / 11
US uses annually about:
5 / 11
Hydrogen gas, by weight, has a higher energy density than gasoline
6 / 11
Hydrogen can dissipate more rapidly than natural gas
7 / 11
In California Coal is the main source for generation of electricity.
8 / 11
Wind Turbines can be as tall as 1000 ft.
9 / 11
The first spacecraft to use solar cells and still in orbit around Earth is:
10 / 11
Manufacturing batteries for electric cars can pollute the environment:
11 / 11
The Standard Unit of Energy is:
Your score is
The average score is 36%
Restart quiz
