Pt 2 Environmental and sustainability

What is the main reason for reducing the 'carbon foot print' within a dwelling?

• To reduce global warming and the depletion of the earth's ozone layer

• To increase energy consumption

• To increase the use of fossil fuels

• To decrease the efficiency of energy use

Which of the following is considered a high carbon producer?

• Hydro electric generation

• Coal

• Solar thermal

• Wind generation

Which of the following is a zero carbon producer?

• Natural gas

• Solar photo voltaic

• Fuel oil

• Coal

What is the role of heat pumps in energy production?

• To burn fossil fuels

• To convert AC to DC power

• To produce carbon dioxide

• To move heat from a high to a low temperature reservoir

What does CHP stand for?

• Carbon High Power

• Carbon Heat Production

• Combined Heat and Power

• Cooling Heat Pump

What is the main benefit of using wind generation for energy?

• It harnesses natural wind speed to produce electricity

• It requires a lot of water

• It produces a high amount of CO2

• It uses fossil fuels

How does hydro electric generation produce electricity?

• By converting solar energy directly

• By using the head height of water to pass through a turbine

• By using natural gas

• By burning biomass

What is the purpose of solar photo voltaic systems?

• To generate electricity using PV cells

• To produce heat for domestic hot water

• To burn pellets made from plant matter

• To extract heat from the ground

What is the significance of 'A' rated appliances?

• They use a lot of water

• They are the least efficient appliances

• They produce the most carbon emissions

• They are efficient appliances

What is the role of roof insulation in a dwelling?

• To cool down the house

• To increase carbon emissions

• To produce electricity

• To prevent heat being lost through the loft area