Thomas Moats wrote:

> "Ken Weitzel" > wrote in message
> news:6vAgd.58160$%k.40632@pd7tw2no...
>
>>
wrote:
>>
>>>Perhaps if your degree was in electrical, rather than mechanical,
>>>engineering you might. One reason is liquids can not burn. By
>>>being inside the tank, there is no possibility of a combustible
>>>mixture or fire. If for example the electric fuel pump were
>>>outside the tank, in the line, there is a much greater
>>>probability of a combustible mixture occurring in the event of a
>>>fuel leak. OK?
>>
>>Hi...
>>
>>I'm electrical - but sure not interested in taking sides
>>in this conversation.
>>
>>I do have one question though that I'd like to ask if
>>I may? When I have a quarter tank of fuel left, what
>>exactly occupies the remaining space?
>>
>
>
>
> Fuel vapor No oxygen and under slight pressure which keeps oxygen from getting
> in, or shall I say not enough to support any type of combustion. No degree
> needed for that.

Hi...

Or maybe one is

See if I follow.... they make a mediocre attempt
at creating a closed environment. Then we remove
some of the contents (burn some of the gas). And
end up sith a slight pressure?

Ken