Energy and generation Flashcards
What is energy
It is a fundamental quantity that every physical system possesses
What are the different types
Thermal, Chemical , Kinetic
Non- Renewable energy sources
Fossil fuels: gas, oil and coal ,
Nuclear: fission and fusion
Renewable Energy sources
Solar
– Wind
– Hydro
– Tidal
– Waves
– Biomass
– Geothermal
what is power, size weight and about of spins in a genarator
180-megawatt generator is 20 feet in diameter, 50 feet long, and weighs over 50 tons. The armature spins at 3600 revolutions per minute.
Energy efficiency OTEC , CAR, COAL,COMBINED CYCLES
OTEC 3% – Car 25% – Coal fired plant 33% – Combined cycle gas turbine 60%
what is the % of production of Oil, Coal, Natural gas , Nuclear, Hydro, biomass
Oil- 40%
Coal-23.3%
Natural gas- 22.5%
Nuclear-6.5%
Hydro-7%
biomass-0.7%
Worlds Energy use % of Oil, Coal, Natural gas , Nuclear, Hydro, biomass
Oil- 37%
Coal-25%
Natural gas- 23%
Nuclear-6%
Hydro-3%
biomass-4%
Top three countries Energy used %
China 24.8%
USA 26.6%
EU 20.4%
Worlds energy supply by sector Industry, Transport, Residential, No- energy used %
Industry- 27%
Transport -27%
Residential -36%
Non-energy used-10%