To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of
A. $${\left( {1.2} \right)^{\frac{3}{2}}}$$
B. $${\left( {1.2} \right)^{\frac{3}{5}}}$$
C. $${\left( {1.2} \right)^{\frac{2}{3}}}$$
D. $${\left( {1.2} \right)^{\frac{5}{3}}}$$
Answer: Option D
This Question Belongs to Chemical Engineering >> Process Equipment And Plant Design
Related Questions on Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
A. $$\frac{1}{8}$$ and $$\frac{1}{{64}}$$
B. $$\frac{1}{{64}}$$ and $$\frac{1}{8}$$
C. $$\frac{1}{2}$$ and 8
D. $$\frac{1}{2}$$ and 5
A. Less than
B. 1.25-1.50 times
C. 2.5 times
D. One-fourth of
Value of Peclet number = 0, is the representative of
A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0
Join The Discussion