Question #1 A nuclear power plant cannot undergo a nuclear explosion because 1.

Question

Question #1

A nuclear power plant cannot undergo a nuclear explosion because

1. the 235U is too dilute to produce a run away reaction.

2. there are adequate safeguards.

3. water cooling prevents an explosion.

4. control rods prevent a chain reaction.

5. there is not enough nuclear fuel.

Question #2

The fundamental difference between a nuclear

power plant and a conventional power plant is

1. the distribution scheme.

2. the method of heat exchange with the

surroundings.

3. the overall efficiency.

4. the amount of power produced.

5. the source of heat.

Question #3

Breeder reactors are used to convert ? to

? .

1. 238Pu to 239Pu

2. 235U to 238U

3. 238U to 239Pu

4. 239Pu to 235U

Question #4

The electricity generated (and distributed to

homes) by a nuclear power plant is ?

to that of a convensional (fossil-fuel) power

plant.

1. more powerful

2. less powerful

3. more radioactive

4. identical

5. of a better quality

Question #5

When the output of one reaction can initiate

another reaction and so on, this is called

1. cold fusion.

2. a chain reaction.

3. catalytic reaction.

4. spontaneous emission.

5. cyclic decomposition.

Question #6

Which shape is likely to need less material for

a critical mass?

1. a cone

2. a cylinder

3. a hexahedron

4. a sphere

5. a cube

Question #7

Why is nuclear fission not likely to be used

directly for powering automobiles?

1. Nuclear reactions are harmful for the en-

vironment.

2. We haven

Explanation / Answer

Q1)
Answer is
3. water cooling prevents an explosion.
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Q2)
The Answer is
5. the source of heat.
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Q3)
Answer is
3. 238U to 239Pu
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Q4)
4. identical
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Q5)
Answer
2. a chain reaction.
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Q6)
The answer is
4. a sphere
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Q7)
Answer is
4. The power generated by nuclear fission is

enormous and cannot be reduced to meet the

needs of one automobile.
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Q8)
Answer is
beta particle
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Q9)
alpha particle
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