_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 = ≈ì√Ö/≈ì√ÖN3 D5 : Power number Re = ≈ì√Ö N D2/≈í¬∫: Reynold's number N is the impeller rotational speed, and D is the impeller diameter.$?

_At low Reynold's number, the power (P) required for agitating a fluid

1.	_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 = ≈ì√Ö/≈ì√ÖN3 D5 : Power number Re = ≈ì√Ö N D2/≈í¬∫: Reynold's number N is the impeller rotational speed, and D is the impeller diameter.$?
A.	Po ‚Äö√ √π Re-1.0
B.	Po ‚Äö√ √π Re0.0
C.	Po ‚Äö√ √π Re0.5
D.	Po ‚Äö√ √π Re1.0
Answer» C. Po ‚Äö√ √π Re0.5