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.
What percentage of commercial building energy is used by schools?
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Sorry, that’s incorrect.
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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Sorry, that’s incorrect.
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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Correct!
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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Sorry, that’s incorrect.
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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.
Which of the following is not considered to be a drawback to wind energy?
- Wind's intermittency
- Aesthetic impact of wind farms
- Risks to birds and bats
- All of the above are considered drawbacks
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Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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Correct!
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
In 2014, approximately how much energy did the United States use, in quadrillion BTUs?
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Sorry, that’s incorrect.
U.S. energy consumption was about 98 quads in 2014.
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Sorry, that’s incorrect.
U.S. energy consumption was about 98 quads in 2014.
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Sorry, that’s incorrect.
U.S. energy consumption was about 98 quads in 2014.
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Correct!
U.S. energy consumption was about 98 quads in 2014.
True or false? Fuel cells store energy.
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Sorry, that’s incorrect.
Fuel cells are an efficient way to convert hydrogen to electricity, but the energy is stored in the hydrogen.
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Correct!
Fuel cells are an efficient way to convert hydrogen to electricity, but the energy is stored in the hydrogen.
The United States is home to how many of the world's automobiles?
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Sorry, that’s incorrect.
With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.
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Correct!
With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.
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Sorry, that’s incorrect.
With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.
Refrigerators became 70% more efficient between 1972 and 2001, primarily due to regulation. What is a market response to increased efficiency of refrigerators?
- People use their refrigerator more hours in the day.
- People use their refrigerator fewer hours in the day.
- People keep more refrigerators in their house.
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Sorry, that’s incorrect.
Refrigerators are not likely to be used more or less hours in the day, but people are more likely to have more of them if they cost less to operate.
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Sorry, that’s incorrect.
Refrigerators are not likely to be used more or less hours in the day, but people are more likely to have more of them if they cost less to operate.
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Correct!
Refrigerators are not likely to be used more or less hours in the day, but people are more likely to have more of them if they cost less to operate.
Which of the following is considered an obstacle to cars running on hydrogen fuel cells?
- Cost of fuel cells
- Difficulty storing and transporting hydrogen
- Process of collecting pure hydrogen
- All of the above
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Sorry, that’s incorrect.
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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Sorry, that’s incorrect.
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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Sorry, that’s incorrect.
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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Correct!
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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A unit of luminous flux represents the amount of light emitted that is visible to the human eye. In the International System of Units, it is the amount of light a one candela source emits over a square radian angle. It is used in measuring and comparing the amount of light visible to the human eye produced by lamps such as light-emitting diodes, compact fluorescent lights, and incandescent bulbs.
