The average household spends 1,460 hours a year in front of the box â four hours a day. And sometimes we watch it without even realising. A TV Licensing Authority survey found people underestimate their TV viewing by up to 20 hours a week. 2,372 hrs sleeping
The CPR compression ratio for infants and children is 30 compressions to 2 breaths. 2 people CPR compression ratio for infants is 15 compressions to 2 breaths. 2 people CPR coâ¦mpression ratio for children is 30 compressions to 2 breaths.
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.