Relief dampers
a) allow air flow in both directions
b) allow air flow in one direction only
c) allow air mixing
d) are the same as bypass dampers
e) are the same as face dampers
Answer: B
Relief dampers
a) allow air flow in both directions
b) allow air flow in one direction only
c) allow air mixing
d) are the same as bypass dampers
e) are the same as face dampers
Answer: B