HVAC - Heating, Ventilation, and Air Conditioning Practice Test
HVAC - Heating, Ventilation, and Air Conditioning HVAC Ventilation and Air Distribution 2
What is the purpose of a Variable Air Volume (VAV) box in a commercial HVAC system?
Select your answer
A
To mix outdoor and return air in variable proportions
B
To vary the volume of conditioned air supplied to a zone based on its load
C
To recover energy from exhaust air
D
To control the speed of the central air handling unit
Hint
