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Senior High School: 11th and 12th Grade
Physics
Physics - Conventional Power Stations
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Q.1
What is the purpose of the turbine in a power station?
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To burn the fuel
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To boil the water
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To turn the generator
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To generate the electricity
Q.2
In a power station using a fossil fuel or biofuel, what is the energy transfer?
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Chemical to electrical
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Nuclear to electrical
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Heat to electrical
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Kinetic to electrical
Q.3
In a nuclear power station, which of the following represents the sequence of energy transfers in the correct order?
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Nuclear → heat → kinetic → electrical
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Chemical → nuclear → heat → kinetic → electrical
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Chemical → nuclear → heat → electrical
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Nuclear → kinetic → electrical
Q.4
To which of the following environmental issues does burning fossil fuels to generate electricity contribute?
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Acid rain
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Global warming
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Smog
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Ozone depletion
Q.5
Which of the following is also released when fossil fuels are burnt?
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Methane and soot
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Nitrogen
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Sulfur dioxide and soot
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Hydrocarbons
Q.6
In a nuclear fuel, where is the energy released from?
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From the electrons
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From reactions between atoms
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From the effects of vibrations of the atoms
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From changes in the nucleus
Q.7
Which of the following power stations has the start up time?
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Nuclear
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Coal fired
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Oil fired
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Gas fired
Q.8
Although nuclear fuel is relatively cheap, electricity from nuclear power stations is relatively expensive. Why?
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They need to be built to high safety standards to ensure that no radioactive material escapes
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Dealing with the used nuclear fuel requires special reinforced containers
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It is very difficult to safely decommission (dismantle) them at the end of their useful life
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All of the above
Q.9
What are the two elements used as nuclear fuels?
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Uranium and polonium
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Uranium and plutonium
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Plutonium and krypton
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Polonium and neptunium
Q.10
What type of nuclear reaction occurs in a nuclear power station?
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Oxidation
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Combustion
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Fission
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Fusion
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