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.
Gear Ratios. The gear ratio is the ratio of the number of teeth on one gear to. the number of teeth on the other gear. Gear ratio = 40 to 8 or, simplifying, 5 to 1. That means it takes 5 revolutions of the smaller gear to get 1. revolution of the larger gear.