At low Reynold's number, the power () required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: = ρ/ρ : Power number Re = ρ /μ: Reynold's number is the impeller rotational speed, and is the impeller diameter.

At low Reynold's number, the power () required for agitating a fluid i

1.	At low Reynold's number, the power () required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: = ρ/ρ : Power number Re = ρ /μ: Reynold's number is the impeller rotational speed, and is the impeller diameter.
A.	∝ Re
B.	∝ Re
C.	∝ Re
D.	∝ Re
Answer» C. ∝ Re

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At low Reynold's number, the power () required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: = ρ/ρ : Power number Re = ρ /μ: Reynold's number is the impeller rotational speed, and is the impeller diameter.
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