Title: Describe the installation of the branch duct takeoff from the main, using round metal duct and fittings.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration II (17056-II) > Section: Sizing and Installing Duct Systems

Description should include sizing according to cubic feet per minute (CFM) capacity of the round duct and using proper tools to demonstrate the procedure for installing a branch duct.

Process/Skill Questions:

- Which has less air resistance, square or round takeoff? Why?
- What is the maximum length for flexible round takeoff?