1.

Why Manholes In Vessels Are Usually Elliptical In Shape ?

Answer»

ELLIPTICAL SHAPE has minimum area of OPENING and thus PLATE is weakened the least. Further it is very convenient to insert and take out the COVER plate from elliptical opening.

Elliptical shape has minimum area of opening and thus plate is weakened the least. Further it is very convenient to insert and take out the cover plate from elliptical opening.



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