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Exam 15: Nuclear Power

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Question 1

Multiple Choice

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Nuclear power plants in use today rely on

A) fission reactions to generate heat to boil water.
B) fission reactions to directly generate electricity.
C) fusion reactions to generate heat to boil water.
D) fusion reactions to directly generate electricity.

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A

Question 2

Multiple Choice

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At present,the total number of long-term,commercial,below-ground nuclear waste depository sites in use in the United States is

A) zero.
B) 7.
C) 23.
D) over a hundred.

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Question 3

Multiple Choice

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Which one of the following energy sources can generate the greatest additional power without contributing significantly to global climate change?

-The two reactions indicated in this figure represent

For most people living in developed countries,their greatest exposure to radiation is from

In a nuclear power plant,the amount of electricity that is generated is regulated by

Good stewardship of nuclear power is best promoted by

Yucca Mountain in the state of Nevada is

Riding along the road on your bicycle,you make a sharp right turn,hit some gravel,and tumble to the ground striking your shoulder.You are in a lot of pain.Worrying that you might have broken your shoulder blade or a rib,you walk your bike to the nearby hospital for emergency care. -Just two X-rays are taken,and the time of exposure was quite limited.According the U.S.Nuclear Regulatory Agency,your radiation exposure for the X-rays was

Riding along the road on your bicycle,you make a sharp right turn,hit some gravel,and tumble to the ground striking your shoulder.You are in a lot of pain.Worrying that you might have broken your shoulder blade or a rib,you walk your bike to the nearby hospital for emergency care. -From the 1930s to the 1950s,an X-ray machine called a shoe-fitting fluoroscope was common in shoe stores.People would try on shoes,stand with their feet in the machine,and allow the salesperson to view live images of the bones of their feet in the shoes! Sometimes the salesperson would reach down and adjust the person's shoes for a better image.These machines used X-rays and exposed the feet of customers to 5-30 seconds of radiation.Further,lower doses of radiation exposure also occurred within about 10-15 inches of the outside of the machine.If you were looking for medical problems resulting from the use of these fluoroscopes in shoe stores,where would you expect the greatest harm?

Globally,some of the worst radioactive storage leaks have been associated with

New Generation III nuclear plants such as the AP1000 Advanced Passive Reactor features

The longevity of nuclear power plants has averaged about

Current U.S.plans for nuclear power production in 2030 are to

Nuclear fusion reactions

The worst case scenario of a disaster at a nuclear power plants is the

Security of nuclear resources and the safe storage of nuclear wastes

Breeder or fast-neutron reactors generate more fuel than they use because

Radioactive substance A breaks down to substance B with a half-life of 1,000 years.If we start out with four kilograms of radioactive substance A,how much of those four kilograms of substance A will remain in 3,000 years?

The actual fission reactions that release energy in a nuclear power plant are about