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1. |
For a turbine agitated and baffled tank, operating at low Reynold’s number (based on impeller diameter), the power number (Np) varies with NRe as_________________? |
A. | Np ∝ NRe |
B. | Np ∝ √NRe |
C. | Np → constant |
D. | Np ∝ 1/NRe |
Answer» E. | |