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Section 12.3
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1
The continuous minimum demand for electrical power is known as…
A)the base load.
B)the intermediate load.
C)the peak load.
D)the phantom load.
2
Which of the following is a disadvantage of using hydroelectric power?
A)high operating costs
B)low levels of energy efficiency
C)the time needed to meet peak-load demands
D)flooding of large areas of land
3
What is one of the advantages of using nuclear reactors to produce energy?
A)Uranium is renewable.
B)Nuclear wastes can easily be stored.
C)Coolant water from the reactors can be beneficial to aquatic ecosystems.
D)Nuclear reactions produce no greenhouse gases.
4
How does Ontario meet the demands for electricity during peak load times?
A)utilizes power from nuclear plants
B)burns coal and natural gas
C)uses hydroelectric and gas turbines
D)uses a combination of natural gas and nuclear power
5
What would occur if customers were to shift their use of electricity to off-peak hours?
A)Greenhouse gas emissions would increase.
B)Nuclear reactors would not be able to meet the demand.
C)The need for fossil fuels would be reduced.
D)More electricity would have to be imported from elsewhere.





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