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Study Quiz Section 4.3
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1

The internal combustion engine shown below is at which stage in its operating cycle?
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A)intake stroke
B)compression stroke
C)power stroke
D)exhaust stroke
2

What is the main difference between the internal combustion engine and steam engines and turbines?
A)where the fuel is burned
B)whether the engine has valves
C)whether the engine produces back-and-forth motion or rotary motion
D)whether the pressure of hot gases is used to produce motion
3

What are the sources of energy for hybrid automobile engines?
A)fuel cells and batteries
B)internal combustion engines and steam turbines
C)steam turbines and fuel cells
D)internal combustion engines and batteries
4

Electrical generators produce most of the electrical energy for home and business use in Canada. What is the most important power source for the generators?
A)steam turbines
B)hydro-electric turbines
C)nuclear reactors
D)internal combustion engines
5

Which environmental problem related to electrical energy production is of most importance to Albertans?
A)air pollution, because Alberta relies primarily on coal-burning power plants
B)flooding of productive land, because Alberta relies heavily on hydroelectric generating stations
C)release of radioactive waste from nuclear power plants
D)soil contamination from leaking pipelines carrying fuel to thermal generating stations
6

What is a common feature of all current methods of producing electrical energy?
A)Fuels are burned to power a generator.
B)Steam is used to turn electric generators.
C)Energy is converted from one form to another.
D)The generators are 100% efficient.





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