Answer Posted / surojit bhattacharjee

Please ignore my answer #5
1KW= 860 KCal/hr
1 KCal/hr = 3.96 BTU
1 TR(tonnage rating)= 12000 BTU
Answers 4 & 6 are the closest defination as given above
therefore it follows
3.5 KW = 3000 KCal/hr = 1 TR

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