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1. |
Calculate the fast rinse period of the regenerant liquid for a softener system with the given below data.Calcium Load: 40 ppm as CaCO3Capacity: 37 Kg/m3Correction factor: 0.9Flow rate: 235 m3/hrOperation hours: 10 hrs |
A. | 25 mins |
B. | 30 mins |
C. | 20 mins |
D. | 15 mins |
Answer» B. 30 mins | |