Problem $2-$ Air flow in different style ducts $(32$ pts$)$

In this problem, you'll need to compare two air ducts for their differing performance. The details of the two designs are shown in Table $2,$ Figure $2.$

merver$-$

Ca:

cir!

Cas

rec

$10$ cm

Figure $2.$ Visual comparison between two duct cases.

Table $2.$ Air duct design comparison details.

$\backslash$table$[[$case$,1,2],[$duct details,,$],[$duct shape,round,rectangle$],[$material$,$galvanized steel,galvanized steel$],[$roughness $(mm),0\mathrm{.}15,0\mathrm{.}15],[$dimension spec,diameter,length x width$],[$dimension value $(cm),20,4010$