Answer / ameet

1) Eaisy in construction
2) Less leakages
3) Circular Profile provides less resistance to air flow

Answer / bejoyed

adding to answer#1
i would like to mention that,a circle encircles more area
than any other shape with a given length of material.. in
the same way a cylindrical piping can carry more fluid with
least material of construction...
also the flow of any fluid finds minimum resistance across a
cylindrical piping than any other shaped ones...

Answer / haresh

Less resistance to flow

Answer / franco ambrose s

1.air flow area would be more compare to anyother shapes
2.Resistance of air flow is very less
3.area is more so temperature as well as pressure would be
reduced
4.finally construction is easy compare to other shapes

Answer / rkr

Benifits of circle:-
A> Surface area to volume inside ratio is important.Surface
area related to manufaturing cost, and volume is amount of
gas delivered.

B> resisitance in flow of gas will be good.

Answer / gaurang

Circular shape universal. It is easy to construct as well
as can have advantages from the maintanance point of view.
Also it is easy to establish.

Answer / santosh raikar

flow is uniform in all cross sectional area

Answer / guest

because easy to construct&the pollution is not more harmfull
for other cross section shape of chimny

Answer / mukesh dubey

Eaisy in construction

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