Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Habitat loss, soil erosion, and air pollution are disadvantages of which
renewable energy source?
a. | solar | c. | biomass fuel | b. | wind | d. | moving water |
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2.
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Which of the following describes new wind turbines?
a. | cost-effective | c. | take a year to build | b. | take up a large amount of
space | d. | cannot generate much
electricity |
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3.
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Renewable energy is energy from sources that
a. | are constantly being formed. | c. | humans can
manufacture. | b. | will take years to deplete. | d. | were once living organisms. |
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4.
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Which of the following is an example of how biomass fuel is currently being
used?
a. | Biogas digesters ferment manure and produce methane. | b. | Dung-fired power
stations produce electricity. | c. | Ethanol from fermenting corn is added to
gasoline. | d. | All of the above |
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5.
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A geothermal power plant can be used to generate electricity
a. | anywhere in the U.S. | b. | in areas where reservoirs of water are heated
inside Earth. | c. | in areas where the ground stays warm throughout the year. | d. | Both (a) and
(c) |
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6.
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A hybrid car uses
a. | an efficient gasoline engine and an electric motor. | b. | an efficient
gasoline engine and a fuel cell. | c. | a fuel cell and a solar
cell. | d. | a photovoltaic cell and an electric motor. |
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7.
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Compared to washing clothes in warm water, washing clothes in cold water
uses
a. | much more energy. | c. | much less energy. | b. | the same amount of energy. | d. | a little more
energy. |
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8.
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Hydrogen gas could be used as a fuel source in the future because it
a. | is abundant. | c. | is used in fuel cells. | b. | can be burned as
fuel. | d. | All of the
above |
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9.
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Ocean Thermal Energy Conversion works because water boils at low temperatures
when
a. | in a high-pressure chamber. | b. | cooled in a vacuum chamber. | c. | under low pressure
in a vacuum chamber. | d. | pumped from the
ocean. |
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10.
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Which of the following is an example of cogeneration?
a. | driving a fuel-efficient car | b. | using the waste heat from a furnace to power a
steam turbine | c. | using ocean thermal energy conversion to run a turbine | d. | using tidal power to
generate electricity |
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11.
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Which of the following is a major source of biomass fuel in developing
countries?
a. | wood | c. | corn | b. | dung | d. | Both (a) and
(b) |
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12.
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A geothermal power plant gets energy by
a. | pumping heated water or steam from geothermal reservoirs. | b. | circulating fluid
underground. | c. | holding water behind a dam. | d. | using methane from
decomposition. |
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13.
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In the United States, which of the following would increase energy
efficiency?
a. | using public transportation and developing more efficient engines for
vehicles | b. | turning thermostats down in winter and up in summer | c. | insulating homes and
businesses | d. | All of the above |
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14.
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The most energy-efficient vehicles available today are
a. | cars with gasoline engines. | c. | fuel cell cars. | b. | hybrid
cars. | d. | cars that use biomass
fuel. |
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15.
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Geothermal heat pumps can heat homes by
a. | circulating fluid underground to absorb heat from Earth. | b. | pumping hot water or
steam from deep underground. | c. | using underground rivers to turn a small
turbine. | d. | All of the above |
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16.
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Which of the following statements about hydrogen gas as a fuel source is
correct?
a. | Hydrogen gas can be burned as a fuel or used to produce electricity
chemically. | b. | Hydrogen gas is not abundant enough on Earth. | c. | When hydrogen gas is
burned, it releases pollutants. | d. | Generating hydrogen gas by burning fossil fuels
is inexpensive. |
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17.
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A heat exchanger is used in
a. | geothermal power plants. | c. | wind turbines. | b. | passive solar
heating. | d. | active solar
heating. |
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18.
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The percentage of energy put into a system that does useful work is
a. | energy conservation. | c. | energy efficiency. | b. | renewable energy. | d. | energy
conversion. |
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19.
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One disadvantage of wind energy is that
a. | wind turbines are not cost-effective. | b. | large amounts of farmland are needed for the
turbines. | c. | the difficulty of transporting the energy from its source to where it is
needed. | d. | wind turbines generate only a small amount of energy. |
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20.
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Which of the following is a disadvantage for Ocean Thermal Energy
Conversion?
a. | not enough cold water | c. | not enough warm water | b. | inefficient
plants | d. | can only be done in
cold areas |
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21.
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In developing countries, you are most likely to find biomass used
a. | to generate electricity. | c. | as a source of
hydropower. | b. | for manufacturing. | d. | for heating and cooking. |
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