Nuclear Energy

Question 1

During a heat wave, there is an increased demand for electricity to operate air conditioners. The basic design of a nuclear reactor that generates electricity is shown below.

Revolt · Accepted Answer

B: raise the control rods so that fewer neutrons are absorbed and more can split uranium atoms

Question 2

Which refers to the continuous release of nuclear energy caused when one fission reaction triggers more nuclear reactions?

Revolt · Accepted Answer

D: chain reaction

Question 3

During early research in nuclear energy, why were scientists surprised that the products from splitting a uranium nucleus had less mass than the reactants?

Revolt · Accepted Answer

C: All known changes always started and ended with the same amount of mass.

Question 4

Why are very high temperatures and pressures required for fusion to occur?

Revolt · Accepted Answer

B: to overcome the repulsion between the protons in the nuclei that join

Question 5

Which is a concern about mining for uranium?

Revolt · Accepted Answer

B: Dust released in the air could be radioactive.

Question 6

What is the correct order of energy conversions associated with a power plant that uses nuclear fission reactions?

Revolt · Accepted Answer

D: nuclear to thermal to mechanical to electrical

Question 7

A nuclear power plant is built alongside a river. What measurements should a monitoring station downstream record to be sure that the proper procedures are being followed at the power plant?

Revolt · Accepted Answer

D: temperature and radiation levels

Question 8

Improvements in which area would help reduce the possibility of damage to the environment when using uranium as a fuel?

Revolt · Accepted Answer

A: more-efficient extraction techniques

Question 9

What is the main reason why many nuclear power plants are located near bodies of water?

Revolt · Accepted Answer

C: to have easy access to a coolant for the reactor

Question 10

Which feature of nuclear fission reactions allows these reactions to take place in a chain reaction?

Revolt · Accepted Answer

D: Neutrons start the reaction and are released during it.

Nuclear Energy Answers

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