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To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of | |
A. | (1.2)3/2 [Wrong Answer] |
B. | (1.2)3/5 [Wrong Answer] |
C. | (1.2)2/3 [Wrong Answer] |
D. | (1.2)5/3 [Correct Answer] |