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What's Your Electric Grid IQ?
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How much do you know about the electric grid?
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Question 1 of 10
1. Question
The electric grid is:
Correct
Correct! The network of power plants, devices and lines that generates and distributes electricity across the country to be used by consumers is known as a power grid.
Incorrect
Incorrect. The network of power plants, devices and lines that generates and distributes electricity across the country to be used by consumers is known as a power grid.
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Question 2 of 10
2. Question
The four main segments of the grid are:
Correct
Correct! Electricity is generated at a power plant, transmitted at high voltages sometimes across many miles, distributed to homes and businesses and finally used.
Incorrect
Incorrect. Electricity is generated at a power plant, transmitted at high voltages sometimes across many miles, distributed to homes and businesses and finally used.
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Question 3 of 10
3. Question
Who launched Pearl Street Station, the first commercial power plant, in lower Manhattan in 1882?
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Correct! The New York Times was one of Edison’s first electricity customers.
Incorrect
Incorrect.
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Question 4 of 10
4. Question
Does the electric grid deliver Alternating Current (AC) or Direct Current (DC)?
Correct
Correct! Alternating Current (AC), which reverses direction a certain number of times per second, can be converted to different voltages relatively easily using a transformer. While electricity is predominantly AC, especially on the distribution side, there are some transmission lines in North America that are high-voltage Direct Current (DC) lines. In addition, a number of technologies such as PVs, electric vehicles, LEDs and computers are all DC.
Incorrect
Incorrect. Alternating Current (AC), which reverses direction a certain number of times per second, can be converted to different voltages relatively easily using a transformer. While electricity is predominantly AC, especially on the distribution side, there are some transmission lines in North America that are high-voltage Direct Current (DC) lines. In addition, a number of technologies such as PVs, electric vehicles, LEDs and computers are all DC.
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Question 5 of 10
5. Question
The electrical grid in the contiguous US is actually made up of how many separate grids?
Correct
Correct.
Incorrect
Incorrect. The answer is 3.
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Question 6 of 10
6. Question
The power grid in the contiguous U.S. is actually made up of three independent power grids. What are they called?
Correct
Correct! The two major interconnections are the Eastern & Western Interconnections. The third is the Texas Interconnected system, which covers most of Texas.
Incorrect
Incorrect. The two major interconnections are the Eastern & Western Interconnections. The third is the Texas Interconnected system, which covers most of Texas.
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Question 7 of 10
7. Question
What is the number one cause of power outages in the U.S.?
Correct
Correct! Not only is severe weather the number one cause of power outages, but that number is expected to rise as climate change increases the frequency and intensity of extreme weather events. Preparing for the challenges posed by climate change requires investment in 21st century technology that will increase the resiliency and reliability of the grid.
Incorrect
Incorrect. Not only is severe weather the number one cause of power outages, but that number is expected to rise as climate change increases the frequency and intensity of extreme weather events. Preparing for the challenges posed by climate change requires investment in 21st century technology that will increase the resiliency and reliability of the grid.
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Question 8 of 10
8. Question
The nation’s power grid is currently undergoing a major transformation to become smarter and more reliable. Which of these is NOT a new technology being used on the grid?
Correct
Correct! While the grid is getting more and more technologically advanced, we haven’t quite gone “back to the future.”
Incorrect
Incorrect. While the grid is getting more and more technologically advanced, we haven’t quite gone “back to the future.”
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Question 9 of 10
9. Question
What is a synchrophasor?
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Correct! The enhanced visibility into grid conditions provided by synchrophasors helps grid operators identify and respond to deteriorating or abnormal conditions more quickly.
Incorrect
Incorrect. The enhanced visibility into grid conditions provided by synchrophasors helps grid operators identify and respond to deteriorating or abnormal conditions more quickly.
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Question 10 of 10
10. Question
What is a brown out?
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Correct! Brown outs sometimes occur when there is a heavy load on the grid. New technologies that improve reliability are helping to prevent brown outs and blackouts.
Incorrect
Incorrect. A brown out is a reduction or restriction of electrical power in a certain area. Brown outs sometimes occur when there is a heavy load on the grid. New technologies that improve reliability are helping to prevent brown outs and blackouts.
Test Your Energy Knowledge
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A short quiz about energy.
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Question 1 of 9
1. Question
Electrical energy can be produced from:
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Incorrect
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Question 2 of 9
2. Question
Which uses the most energy in American homes each year?
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Incorrect
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Question 3 of 9
3. Question
Solar, biomass, geothermal, wind, and hydropower energy are all renewable sources of energy. They are called renewable because they:
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Incorrect
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Question 4 of 9
4. Question
Electricity is the movement of:
Correct
Incorrect
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Question 5 of 9
5. Question
In a nuclear power plant, uranium atoms:
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Incorrect
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Question 6 of 9
6. Question
Propane is used instead of natural gas on many farms and in rural areas. Why is propane often used instead of natural gas?
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Incorrect
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Question 7 of 9
7. Question
Global warming focuses on an increase in the level of which gas in the atmosphere?
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Incorrect
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Question 8 of 9
8. Question
What percentage of energy is lost in the transmission process between power plant and consumer?
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Incorrect
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Question 9 of 9
9. Question
What is the average residential price of electricity in the US (as of 2016)?
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Incorrect
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