A is a chamber to which one or more ducts are connected and form part of the air distribution system.

A is a chamber to which one or more ducts are connected and form part of the air distribution system.

Right Answer is:

Plenum

SOLUTION

Plenum:- An air compartment or chamber to which one or more ducts are connected and which forms part of an Air distribution system. (In many buildings the space between the suspended ceiling and underside of the floor above is used for the collection of return air.)

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