Energy in our Life Flashcards
1
Q
What are 4 ways we consume energy in our life?
A
Food, house heating, transportation, appliances etc…
2
Q
Approximately how much energy do humans need per day?
A
~ 3kWh/day
3
Q
How much energy does pets need?
A
2-17 kWh/day, depending on the pet
4
Q
How much energy do fertilisers and farming account for?
A
~ 3kWh/day/p
5
Q
How much energy can we make using biomass conversion, and therefore how much space do we need to feed UK human inhabitant?
A
0.5 W/m^2, so need 1000m^2 to feed UK (25% of UK)
6
Q
How much energy does heating take up in the UK?
A
~37 kWh/day/person
7
Q
What is the equation for the change in energy we need to heat?
A
ΔQ = aA*(Tout-Tin)
