Freebase (0.00 / 0 votes) Rate this definition: Tachypnea. Tachypnea is the condition of rapid breathing. In adult humans at rest, any rate between 12-20 breaths per minute is normal and tachypnea is indicated by a ventilatory rate greater than 20 breaths per minute.
A new tire retains a tread depth from 10/32 to 11/32. This tread depth is usually made to last anywhere from 3 to 5 years, depending on how well it is maintained. To measure the tread of a tire using an available chart, follow these steps: Insert a penny into the tire.
Average new tires used on cars typically start with 10/32 to 11/32 of original tread depth. In most States when they reach 2/32 of remaining tread depth.<br /><br /><br /><b>Ans 2</b> - Here in Canada (and I'm sure in many parts of the US ) we get a lot of rain.