The power required by an impeller in a gas sparged system compare to the power required by impeller operating at same speed in a gas free liquid is usually
Options
A. lesser
B. higher
C. same
D. may be lesser or higher depending upon the geometry
Correct Answer
lesser
More questions
1. A rheopectic fluid is one in which the viscosity
Options
A. is constant regardless of the stirrer speed or mixing time
B. changes during mixing but returns to its original state after mixing
Correct Answer: fluid bed biological oxidation system
6. The correlation often employed to correlate adsorption data for protein is (where Ymax is the maximum amount of solute adsorbed per mass of adsorbent, X is the mass fraction of solute in the diluent phase in solute-free basis, KL is a constant and Y is the equilibrium value of the mass of solute adsorbed per mass of adsorbent)