Document KGx7JJxNpdQayJQ3q9OGvNaY2

H e a t in g V e n t il a t in g A ir Co n d it io n in g G u id e 1938 t Table 1. Circular Equivalents of Rectangular Ducts for Equal Friction--(Concluded) \ f . Ch a p t e r 29. A ir Du c t D e s ig n