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1. |
*$_A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is? |
A. | ½w² . R² . ρL |
B. | ½w² . δ² . ρL |
C. | ½w² . δρL (2R + δ) |
D. | ½w² . R . ρL(R + 2δ) |
Answer» D. ¬¨Œ©w¬¨‚â§ . R . ≈ì√ÖL(R + 2≈í¬•) | |