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1. |
The pressure which is applied to separate the water from its contaminants is of the order |
A. | 5-10 kg/cm<sup>2</sup> |
B. | 15-40 kg/cm<sup>2</sup> |
C. | 50-100 kg/cm<sup>2</sup> |
D. | 100-150 kg/cm<sup>2</sup> |
Answer» C. 50-100 kg/cm<sup>2</sup> | |