By comparing the case of sedimentation of sand, clay and garden soil undergo
sedimentation inside tap water, we found that sand just took about 50 second to settle
down to the bottom of tap water. The other hand, clay spent about 85 second and garden
The application that I choose is for mobile Air Conditioning (MAC) in vehicles and
buses.The cooling fluid for this system is the R744.
Why R744 is good in this application?.R744 has an excellent thermodynamic properties
and low energy usage. In operation