P2 Flashcards
1
Q
what is SHC
A
The energy needed to raise the temperature of 1 kg of the substance by 1°C
2
Q
what is the unit for specific heat cap
A
J/Kg•C
3
Q
what is the equation for specific heat capacity?
A
change in thermal energy(J)= mass (Kh) x specific heat capacity x temperature
change •C
/\E= m x c x /\0
/\ E
c=———
m/\0
4
Q
what are some ways you can reduce energy transfer in your house
A
-Close curtains or blinds when dark to reduce the flow of air in the room from contact with the cooler window frame
-add secondary glazing film to your windows if they are not double glazed
-cavity wall insulation
5
Q
what are used to heat homes?
A
-Electric or gas heaters
-gas or oil fired central heating
-solid fuel stoves
