Assertion: centrifugal fan | /r/CapableOf | move constant volume of air
Facets:
value: relatively
type: DEGREE
value: at a constant fan speed
type: MANNER
Source sentences:
text: Centrifugal fans are constant-displacement or constant-volume devices, meaning that, at a constant fan speed, a centrifugal fan moves a relatively constant volume of air rather than a constant mass.