1. Mass of water is 100 lit. & Its initial temperature
is 40ºC. Find the capacity of refrigerating machine (Ton of
refrigeration) when it is converted in to 0 ºC ice, within
2 hours.
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Answer Posted / salk
Heat lost= 100kgs *(40-0)=4000 kcals/ 2 hrs
1 Ton of Refn= 3026 kcals/ hr
The tonnage is 2000/3026=0.66 TONS.
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