It seems than at Fri, 4 Jan 2008 18:28:52 -0500, LarryT wrote: > It was written <<fill up your car or truck in the early > morning when the > >> ground temperature is still cold>> > > And Allan asked <<underground temperature is pretty constant. > Maybe 4 or 5 > feet>> > > > Let's talk about this --- > > Water expands when cold - perhaps the only material to do so. > I'm don't know - I'm asking.
As the temperature drops, water expands _only_ from 4 C to 0 C. Then once it is solid, it continues to contract. This is because of the crystal formation that occurs when it becomes ice. > If gasoline and diesel, both being liquids expand like water, > the cold tanks (and what they contain I assume) would also > expand) - so if buying expanded diesel in the cold morning, > what happens when it warms and (presumable) contracts. You > end up with less than you paid for. > > If, OTOH, the gas/diesel contracts when cold, the above > comment would make sense - assuming the metering equipment in > the pump is similarily affected. -- Philip _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
