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S:Bagaimanakah kapasiti penyejukan untuk penukaran penyejuk?
A:1 kcal/j = 1.163W,1 W = 0.8598 kcal/j;
1 Btu/j = 0.2931W,1 W = 3.412 Btu/j;
1 USRT = 3,517 kW,1 kW = 0.28434 USRT;
1 kcal/j = 3.968 Btu/j,1 Btu/j = 0.252 kcal/j;
1 USRT = 3024 kcal/j,10000 kcal/j = 3.3069 USRT;