What You Need To Know About Energy
What do you know about energy?
True or false? Carbon capture and storage would reduce energy efficiency of a coal plant?
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Correct!
Carbon capture and storage will reduce energy efficiency of a coal plant, though it will decrease carbon emissions.
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Sorry, that’s incorrect.
Carbon capture and storage will reduce energy efficiency of a coal plant, though it will decrease carbon emissions.
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%).
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).
What type of transportation uses the most total energy?
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Correct!
By far the largest share of energy in transportation is consumed by cars, light trucks, and motorcycles—about 58% in 2012, followed by other trucks (21%), aircraft (9%), boats and ships (3%), and trains and buses (3%). Pipelines account for 3% and military uses for 2%.
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Sorry, that’s incorrect.
By far the largest share of energy in transportation is consumed by cars, light trucks, and motorcycles—about 58% in 2012, followed by other trucks (21%), aircraft (9%), boats and ships (3%), and trains and buses (3%). Pipelines account for 3% and military uses for 2%.
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Sorry, that’s incorrect.
By far the largest share of energy in transportation is consumed by cars, light trucks, and motorcycles—about 58% in 2012, followed by other trucks (21%), aircraft (9%), boats and ships (3%), and trains and buses (3%). Pipelines account for 3% and military uses for 2%.
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Sorry, that’s incorrect.
By far the largest share of energy in transportation is consumed by cars, light trucks, and motorcycles—about 58% in 2012, followed by other trucks (21%), aircraft (9%), boats and ships (3%), and trains and buses (3%). Pipelines account for 3% and military uses for 2%.
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Sorry, that’s incorrect.
By far the largest share of energy in transportation is consumed by cars, light trucks, and motorcycles—about 58% in 2012, followed by other trucks (21%), aircraft (9%), boats and ships (3%), and trains and buses (3%). Pipelines account for 3% and military uses for 2%.
In 2014, approximately how much of the oil used in the U.S. was imported?
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Sorry, that’s incorrect.
The United States imported approximately 27% of its oil. More than one-third of that came from Canada.
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Correct!
The United States imported approximately 27% of its oil. More than one-third of that came from Canada.
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Sorry, that’s incorrect.
The United States imported approximately 27% of its oil. More than one-third of that came from Canada.
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Sorry, that’s incorrect.
The United States imported approximately 27% of its oil. More than one-third of that came from Canada.
What is the largest reservoir of stored solar energy?
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Sorry, that’s incorrect.
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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Sorry, that’s incorrect.
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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Correct!
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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.
In 2014, what percentage of the United States' total energy consumption came from oil?
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Sorry, that’s incorrect.
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
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Sorry, that’s incorrect.
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
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Sorry, that’s incorrect.
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
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Correct!
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
Which of the following is frequently used as a unit of measurement for the energy content of fuels?
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Sorry, that’s incorrect.
The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.
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Correct!
The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.
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Sorry, that’s incorrect.
The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.
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Sorry, that’s incorrect.
The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.
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- Methyl Tertiary-Butyl Ether (MTBE)
An additive to gasoline of the formula (CH3)3COCH3. MTBE increases the octane rating of gasoline, but concerns over toxicity and its detection in soil and groundwater have led MTBE to be banned in some states.