Which of the following is a noncommercial source of energy widely used in rural areas?
Coal
Firewood
Natural gas
Electricity
Define non renewable source of energy.
Natural resource that can reproduced
Natural resource that cannot be reproduced
Artificial resource that can reproduced
Artificial resource that cannot be reproduced
Electricity generated within the earth is called :
Hydro power energy
Geothermal energy
Nuclear energy
Thermal energy
Energy resources derived from food processing wastes are called:
geothermal energy sources
fossil fuels
biomass
all of these
What are the disadvantages of using hydroelectric energy?
Hydroelectric energy is not renewable.
Hydroelectric energy produces only a small amount of electricity.
Large areas of land are required to build large dams.
Building hydroelectric power plants destroys wildlife.
Which of the following energy sources are not the conventional sources of energy?
Firewood, cattle dung cake
Atomic energy, biogas, solar energy
Coal, petroleum, natural gas
Hydel and thermal electricity
Which is the largest hydro electric power station in Brazil?
Itaipu
Gorges Dam
Gezhouba Dam
Baihetan Dam
What is renewable source of energy ?
Energy that comes from natural sources
Energy that comes from chemical sources
Energy that comes from synthetic sources
Energy that comes from machines
Solar energy stored in materials such as wood, grain, sugar, and municipal waste is called
geothermal energy
natural gas
Which of the following uses nonrenewable fossil fuels for generation of electricity?
Hydro-electricity projects
Thermal power stations
Geothermal energy stations
Nuclear power plants
