Chapter 4.12, Problem 17P

(a)

To determine

The mass flow rate of the air entering into the air-handling unit, in $\text{lb/s}$.

(b)

To determine

The volumetric flow rate in each $26-\text{in}\text{.}$ duct, in ${\text{ft}}^3\text{/min}$.

(c)

To determine

The velocity in $50\text{-in}\text{.}$ duct, in $\text{ft/s}$.