Leon wrote:
"Josepi" wrote in message

Water does **NOT** contain oxygen molecules unless some oxygen molecules
have been disolved in it.
This is why closed loop heating systems, made almost completely out of
iron
and steel pipe and fittings do not rust themselves out.

Which is not a scretch. Humid air going through the compression process
will condense and form water as it cools and will have oxygen molecules in
it. Just the thing needed to rust a tank.

Of course it contains oxygen. But, it contains less oxygen than pure
air, so my question remains: does a steel tank rust faster under a
puddle of water or where it has constantly damp surface?

After 30 to 60 years, or whenever my tank fails, and I cut the sucker in
half, will the rust be at the bottom of the tank which has been
constantly underwater or along the sides, where they just remain a
little damp with lots of oxygen?

On a side note, those in the rec that call everyone they disagree with a
"troll", seem to be finding out what a troll really is. I suggest
ignoring the real troll.

--
Jack
Got Change: General Motors ===== Government Motors!
http://jbstein.com