Mains Electricity Flashcards

0
Q

For a given amount of energy released, which fuel releases the most carbon dioxide?

A

Coal

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1
Q

Why are coal, oil and natural gas non-renewable resources

A

They can’t be replaced, except over millions of years

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2
Q

Which type of power station takes the least time to start up

A

A gas-fired power station

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3
Q

Why are uranium and plutonium used as nuclear fuels

A

They are radioactive

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4
Q

What is an advantage of nuclear fuels

A

They do not produce greenhouse gases

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5
Q

What is a disadvantage of wind farms

A

They are noisy and unsightly

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6
Q

What is a disadvantage of hydroelectric power produced by using a dam

A

River valleys and farmland are flooded by the dam

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7
Q

Where does the heat energy for geothermal energy resources come from?

A

Radioactive decay in rocks

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8
Q

What is a disadvantage of solar cells?

A

They do not produce electricity at night

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