Which statement best describes circular take-off and rectangular take-off in ductwork?

• A. Circular take-off attaches to the duct to deliver air to a location; Rectangular take-off is similarly used but shaped differently to fit
• B. Circular take-off is only for circular ducts; Rectangular take-off for rectangular
• C. They are identical in shape
• D. They are used only for measurement

Answer: (A)