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Why are manholes round?
Round manholes provide access to underground utilities or passages. The heavy round cover just fits into a heavy ring. Things could be square or rectangular, but with a round cover, the cover cannot fall into the hole in any position. With a square or rectangular cover, there is a way to situate the cover so it partially covers the hole and then can fall in. Not so with the circular one.
What might happen if manholes are any shape but round?
Manholes are round to prevent them from falling back into the hole. They are manufactured with an indention around the edges to allow them to fit flush with the surface. If they were square (or any shape other than round), it would be possible to lift and turn it so that it the cover fell into the hole -- both expensive to replace and very dangerous to anybody down below.
What is the minimum distance allowed between two manholes in sewer?
Outside diameter (OD) of adjacent manholes (including the bottom slabs) should have minimum of five (5) feet horizontal clearance.
What do battries look like?
like a small round tube covered with a coverage so you won't get shocked
An athlet completes one round of a circular track of diameter 200m in 40s what will be the distance covered and the displacement at the end of 2 minutes 20s?
Distance covered - 2199m Displacement - 200m Distance covered - 2199m Displacement - 200m
