Physics for IGCSE & O level - Thermal Effects (Section 3 - No. 17)
In a hot water system, what is the role of the hot water rising?
To cool the water down.
To heat the entire house by convection.
To increase the density of the water.
To prevent circulation.
Paskaidrojums
The hot water is the key driver of the convection system, enabling it to heat the entire house.