Worksheetsunit 6 apes
Total questions: 59
Worksheet time: 3hrs 57mins
chart projects the greatest rise from 2007 to 2035 in the use of _____ to provide energy worldwide.
liquids
coal
natural gas
renewables
nuclear power
Which of the following statements is reasonable, according to the information in the chart?
Nuclear power will provide more energy than renewables by 2050.
by 2050, fossil fuels will no longer provide the majority of the world’s energy.
In 2000, natural gas provided about as much energy as coal.
Renewables will be the largest source of energy in the near future.
The use of nuclear energy is decreasing over time.
The use of petroleum as a fuel rose dramatically due to all of the following except
its relative ease of extraction
its relative ease of transportation
its use as a transportation fuel
its relatively inexpensive cost
its abundance in the contiguous United States
The drop in the use of coal as a fuel in the 1940s corresponds to a rise in the use of _____.
natural gas
nuclear power
hydroelectric power
wood
wind power
Which of the following fuel types produces the highest ratio of percent resulting CO2 emissions to percent consumption?
natural gas
non fossil
coal
Petroleum
The ratios are the same for all fuel types.
Using only the information in the bottommost chart, which of the following is the best argument for the development of more nuclear power plants in the U.S.?
There are ample supplies of uranium in the continental U.S.
The U.S. relies too much on foreign sources of petroleum.
Only a small amount of uranium is needed for nuclear power production.
Burning coal to generate electricity creates a lot of CO2 emissions, while using nuclear power creates little.
There has been improvement in renewable energy technologies.
The above bell shaped curve, as originally drawn by a Shell Oil Company geophysicist, representing global oil production is known as the _____ Curve.
hubbert
peak oil
shell
production
allen
The curves show that oil production
will increase exponentially for the foreseeable future
will increase, decrease, then increase again
will reach a peak, then steadily decrease
will remain constant
is not affected at all by the amount of oil reserves
Reasons for which petroleum is the chosen fuel for transportation in the U.S. include
I. Its energy value per unit volume
II. Its ability to quickly start or stop providing energy
III. Its low amount of pollution produced per Joule
l only
ll only
lll only
l and ll only
l, ll, and lll
When supplies of a particular energy type are finite, it is known as a
renewable resource
potentially renewable resource
nonrenewable resource
nondepletable resource
perpetual resource
Conventional fossil fuel energy resources include all of the following except
coal
oil
natural gas
uranium
All of the above are conventional fossil fuel energy resources.
Assuming a U.S. population of 300 million, approximately how many EJ per year are consumed in the U.S.?
7EJ
11 EJ
71 EJ
107 EJ
177 EJ
As countries become more developed, the demand for
commercial energy sources increases
subsistence energy sources increases
nuclear energy sources decreases
commercial energy sources decreases
subsistence energy sources equals that for commercial energy sources
In the use of coal to produce energy, which of the following does NOT decrease the energy efficiency of the process?
extracting the coal from the ground
waste heat
cogeneration
energy required to build the power plant
the removal of the waste products
he EROEI for a number of fuel sources is given in the table above. Which would be the most energy efficient?
Nuclear power
coal
oil
Onshore Natural Gas
offshore Natural Gas
Which of the following represents the correct sequence of energy resource use as the United States progressed from the late 1800s to the 1950s?
wood, coal, oil, natural gas, hydroelectric
coal, hydroelectric, natural gas, oil, wood
wood, oil, natural gas, hydroelectric, coal
wood, coal, oil, natural gas, hydroelectric
coal, wood, hydroelectric, natural gas, oil
The energy expenditure value of traveling by car is 3.6 MJ/passenger kilometer. The value for traveling by train is 1.1 MJ/passenger kilometer. What would be the best way to increase the efficiency of traveling by car?
increase the gas mileage
increase the number of passengers
reduce the number of miles traveled
purchase a less expensive vehicle
use a different energy source
The efficiency of the transfer of energy from a fuel to electricity is approximately
3%
35%
50%
65%
97%
End users of electricity receive their electricity by way of interconnected transmission lines known as
the power grid
the cogeneration grid
the electrical grid
the turbine network
the energy network
The energy source that can provide the greatest amount of electricity generation in the United States due to its abundance is
oil
coal
nuclear
hydroelectric
natural gas
The order of grades of coal from lowest energy content to highest energy content is
anthracite, lignite, sub-bituminous, bituminous
nthracite, sub-bituminous, bituminous, lignite
sub-bituminous, bituminous, lignite, anthracite
lignite, sub-bituminous, bituminous anthracite
The countries with the largest supplies of coal are
china, Indonesia, United States, India
India, Brazil, Russia, China
Russia, Indonesia, China, Brazil
Canada, South Africa, Russia
China, United States, Russia, India
The primary use of petroleum products is for
production of kerosene as a fuel source
extraction of tar and asphalt
gasoline for transportation
production of petrochemicals needed for industry
production of plastics
If an average refrigerator uses 500 watts of energy per hour on a daily basis, and your energy cost is $0.11 per kwh, approximately how much does the energy used by the refrigerator cost per month?
$1.30
$13
$40
$55
$132
If ANWR (the Arctic National Wildlife Refuge) yields a projected peak amount of approximately 330 million gallons of oil a year and the United States uses roughly110 billion gallons of oil in one year, what percent of the oil used per year would be provided for by ANWR?
0.003%
0.03%
0.3%
3.0%
30%
The disadvantages of using nuclear energy include all of the following except
radioactive waste disposal
reactor accidents
the possibility of using radioactive fuels in weapons
the amount of CO2 released by the reactors
the mining of uranium
Uranium - 235 is considered ideal for nuclear reactors due to
its wide distribution as a resource
its stable nature as an isotope
its high EROEI
its minimal production of radioactive waste
its fissionability
A public health issue related to the use of nuclear energy is
thyroid cancer
asthma
cataracts
black lung
mercury poisoning
Low level radioactive waste would include all of the following except
spent fuel rods
contaminated clothing
tools used in plant maintenance
rags used to clean water from the reactor
contaminated protective gear worn by workers
A sample of U - 235 has a half - life of 700 million years. What fraction of the parent material will remain after 2800 million years?
1/2
1/4
1/8
1/16
1/32
Which of the following is the correct type of energy utilized to produce tidal power?
Radiation
Kinetic energy
Solar energy
Potential energy
heat energy
which of the following would NOT be classified as biomass?
straw
animal dung
Charcoal
Uranium
Wood
Governments can encourage energy conservation by
I. Raising taxes on fossil fuel use
II. Offering tax credits for replacing old appliances with new ones
III. Investing in smart grid technology
I only
II only
I and III only
II and III only
I, II, and III
LED bulbs are six times as efficient as incandescent bulbs. If a household replaced ten 100 - watt bulbs with LED bulbs, how many watts would be saved?
175 watts
400 watts
600 watts
833 watts
1700 watts
An important aspect of utility companies is reducing peak demand events. This is best accomplished by
building power plants with larger generating capacity.
implementing rolling black outs.
keeping an ample supply of coal on hand.
allowing customers to pay lower prices for energy when peak demand is low
using renewable sources to generate peak electricity needs
If the cost of electricity is $0.10 per kWh and both LCD televisions are used for four hours per day for the period of one year (365 days), how much less does the Energy Star model cost for that year?
$480
$146
$120
$14.60
$1.46
If a community has 200,000 homes and 1% of those homes have Plasma televisions, how many kWh of excess energy are being consumed every year (365 days) than if those homes had Energy Star LCD televisions instead?
350,000 kWh
524,000 kWh
818,000 kWh
1,168,000 kWh
4.906,000 kWh
Which of the following are Sun driven energy types?
I. Wind power
II. Biodiesel
III. Geothermal
l only
ll only
lll only
l and ll only
all
All of the following are benefits of “Green roofs” EXCEPT
a green roof serves as insulation for the structure
a green roof has a cooling effect on the structure and its surroundings
a green roof improves the overall air quality of the surroundings
all of the above are beneficial
none of the above are benefits of "green roofs"
By looking at the chart above, what percent of the US energy needs are served by nonrenewable energy sources?
7%
60%
84%
93%
99%
More than 80% of U.S. renewable energy is provided by
biomass and wind energy
wind energy and geothermal energy
biomass and hydroelectric energy
hydroelectric energy and geothermal energy
solar energy and hydroelectric energy
Because it utilizes the least amount of energy to produce the greatest yield per hectare of land per quantity of fuel, ____ is the most sustainable choice for biodiesel production.
algae
switchgrass
corn
soybeans
sugar cane
The largest dam in the world, ____ , can generate almost 85,000,000,000 kWh of electricity per year.
The U.S.’s Hoover Dam
China’s Three Gorges Dam
Brazil's and Paraguay's Itaipu Dam
England’s Cragside Dam
Venezuela’s Guri Dam
If a typical home was able to cut its heating costs by 25%, about how much money would it save per year?
$15.95
$85.35
$159.50
$550.00
$638.00
Which of the following increases in efficiency would save a typical household the most money?
Increase heating efficiency by 5%.
Use 25% less energy for lighting.
Increase cooling efficiency by 12%.
Acquire appliances that are 15% more efficient.
Reduce electronics usage by 50%
The region of the US that has the highest solar radiation per day is
a.
the upper Midwest
the upper Midwest
the desert southwest
the temperate grasslands
the coastal plains
the deciduous forest region
What is the best estimate of the highest amount of solar radiation available in the U.S.?
15.5 kWh/m2/day
10 kWh/m2/day
7 kWh/m2/day
4.5 kWh/m2/day
One of the biggest limitations to the wide scale use of geothermal energy is the need for
large amounts of water
a suitable site
an area with warm water temperatures
a cooling system
a large amount of land
A benefit of geothermal energy over hydroelectric energy when generating electricity is that geothermal energy
does not cause flooding
is available in any location
requires a specific locale
does not require any water
never releases dangerous gases
The country that generates the most electricity from wind energy is
China
denmark
US
Germany
Spain
Put the items below in correct sequence for the generation of electricity using the wind
1 –generator converts mechanical energy into electrical energy
2 –wind turns the wind turbine blade
3 –the gear box transfers mechanical energy to the generator
4 –electricity is transferred to the grid
1-2-3-4
2-1-3-4
2-3-1-4
2-4-3-1
4-2-3-1
Which country is the world’s leading producer of hydroelectricity?
China
Brazil
US
France
South Africa
South facing windows are an example of
passive solar design
active solar energy
geothermal design
thermal inertia
wind power
Using heat from radioactive decay deep within Earth to heat water to spin turbines is an example of
tidal power
geothermal energy
biomass
hydroelectric power
solar energy
Tidal power can only be generated
during the day
in locations with high radioactivity
in locations with a large difference between high and low tides
if there is a technological breakthrough
when the Moon is directly overhead
The benefit of flex fuel vehicles is
increased gas mileage
burning of only fossil carbon
smaller net CO2 emissions
the ability to run on both gasoline and E-85
stabilized food prices
In the United States, only approximately 7% of the energy use is from renewable energy sources. Which of the following is the largest component of that 7%?
Wind energy
Biomass
Hydroelectric
solar energy
nuclear
Which of the following would NOT be a method for saving substantial amounts of energy?
Purchasing Energy Star electronics and appliances
Using public transportation instead of private vehicles
Replacing fluorescent bulbs with incandescent bulbs in buildings
Applying sustainable design principles to new construction
Charging electricity customers according to a tiered rate system
Which of the following sources of biofuel cannot currently be used at a large scale because of its high cellulose content?
corn
soybeans
sugar cane
switchgrass
algae
