A ductwork operating at less than 10 m/s is said to be a _________duct system.
a) high velocity
b) medium pressure
c) medium velocity
d) low pressure
e) high pressure
Answer: D
A ductwork operating at less than 10 m/s is said to be a _________duct system.
a) high velocity
b) medium pressure
c) medium velocity
d) low pressure
e) high pressure
Answer: D