What You Need To Know About Energy
What do you know about energy?
America, with 5% of the planet's population, consumes how much of the world's oil?
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Sorry, that’s incorrect.
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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Sorry, that’s incorrect.
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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Correct!
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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Sorry, that’s incorrect.
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
Renewable energy (solar, wind, geothermal, hydroelectric, biofuels, waste, and wood) accounted for what percentage of the total energy supply in the United States in 2014?
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Correct!
In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.
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Sorry, that’s incorrect.
In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.
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Sorry, that’s incorrect.
In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.
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Sorry, that’s incorrect.
In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.
If electricity production wastes between 40 and 65% of the primary energy source, why is it used?
- Producing electricity is a way to store energy.
- Electricity production results in no harmful emissions.
- Electricity is a versatile energy carrier.
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Sorry, that’s incorrect.
Most direct uses of primary energy are limited to generating heat and motion. Electricity, by contrast, is extremely versatile, with a wide range of complex applications.
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Sorry, that’s incorrect.
Most direct uses of primary energy are limited to generating heat and motion. Electricity, by contrast, is extremely versatile, with a wide range of complex applications.
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Correct!
Most direct uses of primary energy are limited to generating heat and motion. Electricity, by contrast, is extremely versatile, with a wide range of complex applications.
Which residential usage consumes the largest amount of energy?
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Sorry, that’s incorrect.
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
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Sorry, that’s incorrect.
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
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Correct!
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
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Sorry, that’s incorrect.
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
Energy intensity is a measure of:
- The amount of energy used by a nation per unit of GDP
- The amount of energy contained in a given amount of fuel
- The amount of electric current passing through a point
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Correct!
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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Sorry, that’s incorrect.
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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Sorry, that’s incorrect.
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
The consumption of energy worldwide is projected to rise by how much between 2013 and 2040?
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Sorry, that’s incorrect.
U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period
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Sorry, that’s incorrect.
U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period
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Sorry, that’s incorrect.
U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period
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Sorry, that’s incorrect.
U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period
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Correct!
U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period
What technology was most responsible for increase in lighting efficiency from 45 Im/W in 2001 to 58 Im/W in 2010?
- Increase in efficiency of incandescent light bulbs
- Increase in efficiency of candles
- Increase use of compact fluorescent lights
- Increased use of LED lights
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Sorry, that’s incorrect.
Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.
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Sorry, that’s incorrect.
Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.
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Correct!
Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.
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Sorry, that’s incorrect.
Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.
Which of the following sources do experts expect will provide us with the “silver bullet” solution to our energy needs?
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Sorry, that’s incorrect.
There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.
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Sorry, that’s incorrect.
There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.
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Sorry, that’s incorrect.
There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.
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Correct!
There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.
Which of the following energy sources releases carbon dioxide when burned?
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Sorry, that’s incorrect.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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Sorry, that’s incorrect.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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Sorry, that’s incorrect.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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Correct!
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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