Answer / arul - mz

For the stability of the vehicle at the time of taking
turns.

Usually, square sections induce toppling of the vehicle at
turns due to shift in the CG upside.

Compared to oval or round sections, using rectangular
sections we can bring the CG lower.

But the fabrication of cylindrical or oval tanks we can
reduce material cost and at the same time stress
concentration at the edges during turns will be negligible.

The quality of the welded joint in the circular section can
be judged better than the others

Answer / az

to lower stress concentration at the sharp edges

Answer / mohammed sohail

TO AVOID LOAD CONCENTRATION AT SINGLE POINT (SQAURE AND
RECTANGLE TWO PLANES INTERSECT TO MAKE A POINT)BUT IN CASE
OF (ROUND AND SPHERICAL ) NO SUCH CRITICAL OINT EXIST

Answer / mazbhu

to avoid crossion and to avoid the stagnent of fuel in tank

Answer / snehangsu saha

if the tank is rectanguler or sequare,the materials trans
port in the tank is stagnant in korners so the materials
can be dammaged
the friction amount is also low in circuler tank.so it is
effective than sequare tank.

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