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1. |
Calculate the amount of softener resin required for the following information.Magnesium: 80 ppm as CaCO3Capacity: 47 Kg/m3Correction factor: 0.9Flow rate: 135 m3/hrOperation hours: 20 hrs |
A. | 4.5 m3 |
B. | 3.5 m3 |
C. | 5.1 m3 |
D. | 2.5 m3 |
Answer» D. 2.5 m3 | |