Fossil Fuels
The United States imports approximately what percent of its energy needs?
3%
Cogeneration increases the efficiency of an electricity generation plant by doing what?
Using the steam generated as a thermal energy source.
Cobalt-60 has a half-life of 5.25 years. If a site held 100 kg of this isotope, approximately what mass of Cobalt-60 would be left after 21 years?
6.25 kg after 4 half lives.
During the nuclear fission process, the transformation between a parent and daughter isotope involves what?
A release of neutrons and energy
The first speeding ticket was issued for going how fast?
12 mph
In order of cleanliness what is the order of fossil fuels from least clean to most clean?
Coal, Petroleum, Natural Gas
Uranium-235 is considered ideal for use in nuclear reactors because...?
It is highly fissionable.
If the capacity of an electricity generation plant is 1,000 MW and its capacity factor is 0.75, how much energy in MWh can the plant produce in 1 day?
18,000 MWh
Which countries have the largest commercial uranium mining operations?
Australia, the United States, and Canada
On average, how may individual parts/pieces make up a car?
30,000
Which nonrenewable energy fuel can be most safely transported and processed in a power plant?
Coal
Which method of electricity generation is the most efficient?
cogeneration plants
The efficiency of the transfer of energy from a fuel to electricity is approximately what percent effecient?
35%
For how many half-lives do spent fuel rods remain a threat to human health?
At least 10 half-lives.
In what year was the first electric car produced?
1832 by Robert Anderson
Approximately 50 percent of all coal reserves worldwide are found in which countries?
China, United States, and Russia
How is energy intensity is measured in the United States?
By dividing energy use by dollar of gross domestic product.
If an average air conditioner uses 1000 watts of energy per hour and your energy cost is $0.15 per kWh, approximately how much does the energy used by the air conditioner cost per month (30 days)?
$108
How is nuclear waste currently stored?
Waste is stored in a geologically stable site away from human habitation.
What is the best selling car of all time?
Toyota Corolla
What is the best way to increase the efficiency of traveling by car?
Increase the number of passengers
Automobile A gets 30 mpg on a 200-mile trip. Automobile B gets 20 mpg for the same trip. What fraction of gas does Automobile A use compared to Automobile B?
2/3rds the amount
The energy expenditure value of traveling by car is 3.6 MJ/passenger-kilometer. A gallon of gasoline contains 120 MJ. Approximately how many gallons of gasoline would be required for a trip of 1,000km?
30 gal
Why is nuclear fusion so difficult to achieve on Earth?
The reactor would have to withstand and contain an immense amount of heat.
What was Mr. Bieri's first car?
1988 Chevrolet Corsica