DANMAS@aol.com wrote:
>
> Mike & Chris:
>
> Since this discussion has exceeded my limits of knowledge, I decided to do an
> experiment. I found a piece of 3/8 inch steel plate that I had drilled a hole
> into with a 1/2 inch bit. I measured the hole diameter at room temperature,
> then stuck the piece in the freezer for a few hours and measured again. After
> the piece came back to room temperature, I measured again.
>
> Results?
>
> Before and after the deep feeze, the hole measured 0.501". While cold, the
> hole measured 0.499". With the help of a blow torch, I raised the temperature
> to where it was no longer comfortable to hold, and the measurement increased
> to 0.503".
>
> I can't say why the results were so, except for the intuitive argument I gave
> before, but those were the results! (just in case my experimental procedures
> are flawed, maybe someone else would like to repeat the experiment and see if
> they get the same results)
Hmmm. Well, that seems to settle it. I REALLY thought it was the other
way around. Blast... now I'm gonna have to find that textbook and see
if I was remembering wrong or if the teacher was a dingbat.
Thanks for the experiment!
Chris
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