So Just Why *Are* Manhole Covers Round?

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The Dean of the School of Industrial Engineering at Purdue asked our Sr. class the same question. I did NOT gain points by answering "because the holes are round." He was not amused.

Ha ha Hugh,
I think thats a very clever response!!!

No,t leat the cover go insaed the hole

Its not that man holes should be round . there are many shapes which work with same efficiency.

Hi,
I was asked this question in an intreview today, and asked to give 3 answers. I could think of only one, and so was asked to think of more answers, andd so I looked up this website!

thanks
Mary

I think twice about working for someone who's still actually using this question in an interview.

Does it have anything to do with the a circles strenght?

Yes its also because Circles are one of the strongest shapes in the world.

I think I had a very unusual answer. My ex used to work for the Parks Dept. and one day was pulling a lawn mower behing him. He was not looking and actually fell into a manhole. Therefore it is to keep people from falling in. Next, my 10yr. old son had a friend who said he had thrown his Aladdin's lamp into the sewer. When my son tried to take the man hole cover off he smashed his fingers. Next, to keep children from getting in. And third the best I could come up with is to let people get in there with the rats and stuff to work on pipes and things. 1,2,3 had a reason for each. We'll see if I get the job. :-)

Leo

I think its a crime you are "hawking" this crap for $20 on the net.

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