Flashcards
P1.4 knowledge test
Flashcards do conjunto (19)
- 1Which piece of equipment is used to generate electricity?Generator
- 2What happens in a boiler?Water or a liquid is heated to produce steam which will spin a turbine.
- 3Which fossil fuels can be burnt to heat the boiler?Coal, oil, gas
- 4What is the purpose of the turbine?To power the generator to generate electricity.
- 5Define "renewable energy resource"A resource that will not run out i.e wind
- 6Biofuel is carbon neutral, what does this mean?It took C02 out of the air using photosynthesis, so burning it has no overall effect on C02 emissions.
- 7Which elements are used to fuel nuclear power stations?Uranium and Plutonium
- 8Which type of renewable powerstation uses falling water?Hydroelecric
- 9Which renewables do not use the sun as the original source of their energy?Wind, hydroelectric, tidal, geothermal, biomass, wave.
- 10Which type of renewable does not need a generator?Wave
- 11What is the difference between a solar cell and a solar panel?Solar cells generate electricity whilst solar panels heat water.
- 12Which gas, released from burning coal, produces acid rain?Sulphur dioxide
- 13Which fuels are non-renewable?Coal, oil, gas, nuclear
- 14State one advantage and disadvantage of nuclear power?It is expensive to build but cheap to run once going.
(Any plausible answer) - 15Which type of transformer raises the voltage of electricity?Step-up transformer
- 16What is the voltage of the mains in the UK?230v
- 17Why do we use high voltage and not high current in our power cables?To make it more efficient so not as much heat is not lost.
- 18State two disadvantages of using underground cables than overground cables?Hard to get to if something goes wrong and more time consuming and therefore expensive to build.
- 19What do we call the collection of wires and pylons that carry electricity around the country?The National Grid.
Informações
- Descrição
- 19 Question knowledge test on energy and how it is used.
- Criado por
- Emma Samuelson
- Visualizações
- 14
- Avaliação