8-47E Air at

1atm

and

60\\\\deg F

is flowing through a

1ft\\\\times 1ft

\ square duct made of commercial steel at a rate of

1600cfm

.\ Determine the pressure drop and head loss per

ft

of the duct.

8-47E Air at 1atm and 60F is flowing through a 1ft1ft square duct made of commercial steel at a rate of 1600cfm. Determine the pressure drop and head loss per ft of the duct