The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to$?

The power number for a stirred tank becomes constant at high Reynolds

1.	The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to$?
A.	N¬¨‚àû
B.	N¬¨œÄ
C.	N¬¨‚â§
D.	N¬¨‚â•
Answer» D. N¬¨‚â•