Mains electricity Flashcards
Why are coal, oil and natural gas non-renewable resources?
Coal, oil and natural gas non-renewable resources because they cannot be replaced, except over millions of years.
For a given amount of energy released, which fuel releases the most carbon dioxide?
For a given amount of energy released, coal releases the most carbon dioxide.
Which type of power station takes the least time to start up?
A gas-fired power station takes the least time to start up.
What problem does sulfur dioxide cause?
It contributes to acid rain.
Why are uranium and plutonium used as nuclear fuels?
They are radioactive.
Which of the following is an advantage of nuclear fuels?
They do not produce greenhouse gases.
Which of the following is considered a disadvantage of wind farms?
They are noisy and unsightly.
Which of the following is a disadvantage of hydroelectric power produced by using a dam?
River valleys and farmland are flooded by the dam.
Where does the heat energy for geothermal energy resources come from?
From radioactive decay in rocks
Which of the following is a disadvantage of solar cells?
They do not produce electricity at night.
