This one says: Time spent on the toilet in an average personâs lifetime: 525,600 minutes. http://www.thecrimson.com/article.aspx?ref=350161 Nov 12 08, 10:43 PM
Compression Ratio is defined as the ratio of Maximum engine volume to minimum engine volume. In Mechanical Terminology, its ratio of Total Volume to Clearance Volume. It is fundamental specification of engine. For Spark Ignition engines, the ratio will be around 10:1 to 15:1.
In the Metric System, the prefix itself gives the needed conversion ratio. A conversion ratio (or unit factor) is a ratio equal to one. This ratio carries the names of the units to be used in the conversion.