which of the following is false regarding a duct system that is oversized? a. decreased air velocity b…

Brief Explanations:

In an oversized duct - system, air velocity decreases as the cross - sectional area is larger for the same volume of air flow. Larger ducts also mean higher fabrication and installation costs. However, decreased air velocity generally leads to lower noise levels, not increased noise levels.

Answer:

B. Increased noise levels