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.
The compression ratio in short is the amount of air that an engine can squish ready for the bang phase of combustion.A 9:1 compression ratio simply means that 9 units of air will be compressed into the space of just 1 unit.he compression ratio in short is the amount of air that an engine can squish ready for the bang phase of combustion.