Chemical Engineering Mcqs

At low Reynold’s number, the power (P) 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: Po = ρ/ρN3 D5: Power number Re = ρ N D2/μ: Reynold’s number N is the impeller rotational speed, and D is the impeller diameter ?

(A) Po ∝ Re-1.0

(B) Po ∝ Re0.0

(C) Po ∝ Re0.5

(D) Po ∝ Re1.0

Submitted By :Ali Uppal

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