No 41 Renewable energy and energy conservatiion

What is high-carbon power?

• Electricity produced by renewable sources

• Electricity produced by fossil fuels

• Electricity with low greenhouse gas emissions

• Electricity produced by nuclear energy

What is one of the most important actions required to limit climate change?

• Increasing fossil fuel consumption

• Transitioning to low-carbon power

• Reducing renewable energy usage

• Increasing greenhouse gas emissions

Which of the following is a characteristic of low-carbon power?

• High greenhouse gas emissions

• Substantially lower greenhouse gas emissions

• No energy efficiency

• High fossil fuel consumption

How do zero-carbon resources help the environment?

• By increasing greenhouse gas emissions

• By reducing greenhouse gas emissions

• By depleting natural resources

• By increasing energy costs

What is a common characteristic of zero-carbon energy sources?

• They are all renewable.

• They all produce carbon emissions.

• They are all non-renewable.

• They are all expensive.

Which of the following energy sources is derived from water?

• Solar PV

• Electricity – wind

• Electricity – tidal

• Biomass

What is one of the main reasons for the rise in rainwater harvesting systems in the UK?

• To increase water pollution

• To reduce financial and environmental waste

• To increase the cost of water

• To decrease water availability

What is used to heavily filter rainwater in a guttering system?

• A sand filter

• A charcoal filter

• A filter attached to the downpipe

• A UV filter

What type of filter may be used in larger, more expensive rainwater harvesting systems?

• A paper filter

• A fine basket filter

• A sponge filter

• A ceramic filter

What happens to the water in a combination system after it reaches the low-level break tank?

• It is pumped to an elevated tank

• It is gravity-fed to appliances

• It is gravity-fed to a booster pump system

• It is directly fed to appliances