Tons of Refrigeration

This is all about TR ......
https://youtu.be/RdSyQvEYHfk

1. What is TR????

2. It Is unit of refrigeration. The rating of a refrigeration machine is given by a standard unit of refrigeration called Ton of Refrigeration. One ton of refrigeration (1TR) means capacity to freeze 1 ton of water from and at 0’ in 24 Hrs. In USA 1 ton is taken as 2000lbs and its latent of fusion 144 B.Th. U/lb (334.9 KJ/Kg). 1 TR = (2000x144)/24 = 12000 B Th U/hr = 200 B Th U /Min 1 B Th U =1.055 KJ 1 TR =200 x1.055 KJ/Min = 211 KJ/Min 1 TR = 3.517 KJ/s or KW TR - Tons of Refrigeration

3. Important Conversion 1 TR = 12000 B Th U/ hr =3.514 KW =3024KC/ hr

4. Any Doubt ??????????????????