Worldwide, most electricity comes from renewable sources. True or false?
1 point
False
2.[Q#5033]
A problem with nuclear power is that it currently:
1 point
Produces nuclear waste
Produces less electricity than solar power
Cannot deliver “baseload” power
Produces more CO2 than coal
3.[Q#5034]
Petroleum is found in most rock types. True or false?
1 point
False
True
4.[Q#5035]
Which of the following would be described as a “renewable” energy source?
1 point
Hydropower
Natural gas
Nuclear fission
Nuclear fusion
Coal
5.[Q#5002]
What percentage of U.S. primary energy use is from nuclear power plants?
1 point
About half
More than 95% but less than 99%
Less than 20%
More than 99%
More than 80% but less than 95%
6.[Q#5003]
Global fossil fuel use, over the last 50 years, has:
1 point
Increased significantly, by around 50%
Remained roughly constant
Declined slightly, by around 10%
More than doubled
Increased slightly, by around 10%
7.[Q#5004]
Which of the following is an advantage of fossil fuels?
A) They are cheap.
B) They have high energy density.
C) They provide power on demand.
1 point
All of A, B, and C
Both B and C, but not A
B only
Both A and B, but not C
C only
A only
Both A and C, but not B
8.[Q#5007]
What is the biggest renewable energy source used in the U.S. electricity grid?
1 point
Solar cells
Hydropower
Wind power
Biofuels
Passive solar
9.[Q#5008]
Which of the following is a supposed advantage of wind power over conventional power?
1 point
Less pollution
Lower use
Lower costs
Higher reliability
Higher availability
10.[Q#5010]
Which of the following is a major problem with fossil fuel use?
A) Fossil fuel use produces carbon dioxide.
B) Fossil fuel use produces water that is emitted into the atmosphere.
C) Fossil fuel use is expensive for consumers.
1 point
C only
B only
Both A and B, but not C
Both B and C, but not A
Both A and C, but not B
A only
All of A, B, and C
11.[Q#5012]
At coal’s current rate of use, we can use the estimate of the size of reserves to say that there are:
1 point
30 to 50 years of reserves left
10 to 30 years of reserves left
50 to 100 years of reserves left
More than 100 years of reserves left
5 to 10 years of reserves left
12.[Q#5014]
Which of the following is a big advantage of using nuclear energy to produce electricity?
A) Uranium currently has secure sources of production.
B) Nuclear energy doesn’t produce carbon dioxide.
C) Nuclear energy creates a small volume of waste.
1 point
C only
both A and C, but not B
B only
A only
All of A, B, and C
both A and B, but not C
13.[Q#5017]
What does the term “peak oil” refer to?
1 point
The time at which it is no longer economically efficient to extract oil
The time at which the energy return goes from above 1 to below 1
The time at which oil begins to have a negative energy return
The time at which oil is extracted at the greatest rate
The point at which total oil extraction exceeds total known oil reserves
14.[Q#5019]
What does it mean to have an energy return of between 1 and 10?
1 point
Energy use is increasing.
More energy is returned than expended.
Less energy is returned than expended.
Energy use is declining.
The system is in energy balance.
15.[Q#5021]
New light bulbs produce more light for the same amount of energy. According to the concept of perverse incentives, this might result in:
1 point
Increased amounts of mercury pollution associated with the new bulbs
The same amount of energy required, as light use increases
Old light bulbs being disposed of incorrectly
Slow rates of uptake as people get used to the new technology
16.[Q#5025]
Oil production has been relatively flat for several years. Which of the following would falsify the peak oil model?
1 point
A continuing gradual increase in the price of oil
A gradual decline in rates of extraction, going to 0 over decades
A significant (50% or more) decline in the price of oil
The price of oil remaining essentially unchanged for at least a decade
A sharp decline in rates of extraction, going to 0 over years
17.[Q#5028]
Which of the following might be a reason to expect that solar photo-voltaic (PV) energy will become a larger part of the electric grid than power generated by the wind?
1 point
PV produces cheaper electricity than wind power in major industrial countries.
PV will soon have a lower EROEI than wind power.
Wind power is becoming steadily more expensive as wind farms age.
PV has had a faster rate of technological improvement in the last few years.
Global warming is increasing the amount of insolation.
18.[Q#5029]
On average, people want to use more energy than they do currently. We know this because:
1 point
NIMBYism is weakest in democracies.
When light is cheaper to produce, more is made.
Biofuel use tends to be higher when it’s EROEI is decreased.
Oil use appears to be close to a peak.
Renewable power is favored because of its price advantage.
19.[Q#5030]
Which of the following could reasonably be referring to NIMBY?
1 point
The mobilization bias in the political system
Efficient allocation of pollution permits in a cap-and-trade system
People support pollution creation but don’t support pollution storage
Population pyramids produced by sudden diseases, wars, or famines
A type of cloud formation associated with global warming due to its low albedo
20.[Q#5031]
Current corn- and soy-based biofuels have energy returns of approximately 1. Which argument does this information support?
1 point
We should keep biofuel use at approximately the current level.
We should plant more corn and soy.
We should increase biofuel subsidies.
Biofuel reduces our dependence on fossil fuels.
We should reduce biofuel use.
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