PREFEITHE US A Circular duct has an outside diameter of 7 3/8 inches. Insulation that is 1 3/16 inches thick is wrapped
Posted: Mon Jul 11, 2022 10:33 am
PREFEITHE US A Circular duct has an outside diameter of 7 3/8 inches. Insulation that is 1 3/16 inches thick is wrapped around the djuct What is the diameter of the insulated duct? < Previous