I'm not quite there either Russell.....

Efficiency is the ratio between work done and fuel used

If the work done was measured as an area, such as mm^2

The the efficiency could be expressed as

Mililitres per Millimetres squared

Or mm^3 / mm^2

Which cancels out to mm.

Therefore an efficiency of 0.08 mm would be like saying

0.08 millilitres of fuel per square millimetre

1000 mm makes 1 metre

So multiply by 1000 x 1000 and again to get it in square metres

80 litres per square metre

A teffibly inefficient lawnmover?

Regards, Kevin


> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@mitvma.mit.edu] On Behalf Of Alan B. Pearce
> Sent: 26 April 2002 11:44
> To: PICLIST@mitvma.mit.edu
> Subject: Re: [OT]: Job Interviews
>
>
> >My vehicle has a fuel economy of about 0.08 millimetre
> >on the open road.
> >Anyone care to convert that to more normal units? :-)
>
> Shades of an article I saw in an HP journal back in the 70's
> where they talked about a chip with an area measured in nano-acres.
>
> But I do have to ask, millimetres/what? I assume millilitres,
> but it could be gallons (well it might be the space shuttle
> or something) :)
>
> --
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