It should be noted that, in most cases, the supply and return ductwork must be attached to the ____ before the unit is set in place.
A) boom
B) package
C) load
D) curb

Question

Quizplus · Accepted Answer

The supply and return ductwork must be attached to the curb before the unit is set in place. The curb is a raised platform installed on the roof, and it provides a base for supporting and securing the HVAC unit.

It Should Be Noted That, in Most Cases, the Supply