What You Need To Know About Energy
What do you know about energy?
Which has been growing more, energy used by lighting and appliances or energy used for heating and cooling?
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Correct!
For decades, more than half of all residential energy use went to space heating and cooling; in 1993, it accounted for nearly 60%. But EIA data show that by 2009, that share had dropped to 48%. And in the period 1993 to 2009, energy for appliances, electronics, and lighting rose from 24% to 35%, owing to the proliferation of appliances, as well as trends toward larger TVs and other devices.
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Sorry, that’s incorrect.
For decades, more than half of all residential energy use went to space heating and cooling; in 1993, it accounted for nearly 60%. But EIA data show that by 2009, that share had dropped to 48%. And in the period 1993 to 2009, energy for appliances, electronics, and lighting rose from 24% to 35%, owing to the proliferation of appliances, as well as trends toward larger TVs and other devices.
What is the primary energy user in the industrial sector?
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Sorry, that’s incorrect.
A few industries use a very large share of energy in the industrial sector. Petroleum refining is the principal consumer, with the chemical industry a close second. Those users, plus the paper and metal industries, account for 78% of total industrial energy use.
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Sorry, that’s incorrect.
A few industries use a very large share of energy in the industrial sector. Petroleum refining is the principal consumer, with the chemical industry a close second. Those users, plus the paper and metal industries, account for 78% of total industrial energy use.
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Sorry, that’s incorrect.
A few industries use a very large share of energy in the industrial sector. Petroleum refining is the principal consumer, with the chemical industry a close second. Those users, plus the paper and metal industries, account for 78% of total industrial energy use.
-
Sorry, that’s incorrect.
A few industries use a very large share of energy in the industrial sector. Petroleum refining is the principal consumer, with the chemical industry a close second. Those users, plus the paper and metal industries, account for 78% of total industrial energy use.
-
Correct!
A few industries use a very large share of energy in the industrial sector. Petroleum refining is the principal consumer, with the chemical industry a close second. Those users, plus the paper and metal industries, account for 78% of total industrial energy use.
Which source(s) of energy are not nuclear in origin?
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Sorry, that’s incorrect.
Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun.
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Sorry, that’s incorrect.
Tidal energy is gravitational in origin. Geothermal energy comes from radioactive decay inside the earth.
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Correct!
Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun, and geothermal energy comes from radioactive decay inside the earth.
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Sorry, that’s incorrect.
Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun, and geothermal energy comes from radioactive decay inside the earth.
What are ways that electricity system operators match power needs to generation on a day-to-day basis?
- Turning on or off adjustable, load-following generators
- Turning on or off short-term "peaker" plants
- Initiating demand-response actions, such as adjusting thermostats for customers who have agreed to it.
- Initiating energy storage, such as pumped hydro or battery storage.
- All of the above
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Sorry, that’s incorrect.
Load-following and peaker plants, demand-response and energy storage are all ways that grid operators can adjust generation to meet demand.
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Sorry, that’s incorrect.
Load-following and peaker plants, demand-response and energy storage are all ways that grid operators can adjust generation to meet demand.
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Sorry, that’s incorrect.
Load-following and peaker plants, demand-response and energy storage are all ways that grid operators can adjust generation to meet demand.
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Sorry, that’s incorrect.
Load-following and peaker plants, demand-response and energy storage are all ways that grid operators can adjust generation to meet demand.
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Correct!
Load-following and peaker plants, demand-response and energy storage are all ways that grid operators can adjust generation to meet demand.
How many gallons of water are required to hydraulically fracture a well, on average in the U.S.?
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Sorry, that’s incorrect.
The national average is around 1.5 million gallons per well , according to the EPA.
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Sorry, that’s incorrect.
The national average is around 1.5 million gallons per well , according to the EPA.
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Sorry, that’s incorrect.
The national average is around 1.5 million gallons per well , according to the EPA.
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Correct!
The national average is around 1.5 million gallons per well , according to the EPA.
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.
What is the commonly accepted unit of measurement for electric current—or the amount of an electric charge passing a point per unit time?
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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Correct!
The ampere, or amp, is the most commonly used measurement for electric current.
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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.
True or false? Hydraulic fracturing and horizontal drilling have increased oil and gas production in the U.S.
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Correct!
Extraction of "tight" oil—light crude oil contained in geological formations of shale or sandstone—accounted for only 12% of total U.S. oil production in 2008. By 2012, it made up 35%, and is predicted to rise to 50% in the near term.
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Sorry, that’s incorrect.
Extraction of "tight" oil—light crude oil contained in geological formations of shale or sandstone—accounted for only 12% of total U.S. oil production in 2008. By 2012, it made up 35%, and is predicted to rise to 50% in the near term.
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