1.

For laminar flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)

A. Np = K(Rei)­¹
B. Np = N2Di(Rei)­¹
C. Np = K(Rei)
D. Np = KNDi(Rei)­²
Answer» B. Np = N2Di(Rei)­¹


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