Question
a.
Paddles
b.
Flat blade turbines
c.
Disk flat blade turbines
d.
All of the above
Posted under Biochemical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Which of the following impellers will provide radial flow?
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. When liquid is pumped through cooling coil in a stirred tank reactor to cool. Which of the following is not correct?
View solution
Q. Swirling and vortex formation can be prevented by
View solution
Q. Power number is expressed as
View solution
Q. The power consumption in a stirring vessel can be assessed by using a
View solution
Q. Surface renewal theory predicts that the mass transfer coefficient is
View solution
Q. The oxygen transfer rate in a bioreactor will increase if
View solution
Q. Which of the following impellers are used for wide range of viscosities?
View solution
Q. Which of the following type(s) of stirrer can be used for microbiological processes?
View solution
Q. The range of width for the baffle in the fermenter is __________ times of vessel diameter
View solution
Q. The average concentration of oxygen in the boundary layers surrounding the bubbles (Co*) in a reactor is normally determined by
View solution
Q. Why vortexing is undesirable in the agitation of biological systems?
View solution
Q. What is the ratio of depth of liquid in vessel to the diameter of tank (H:Dt)?
View solution
Q. Radial flow impellers
View solution
Q. Transient flow range of mixing speed is obtained for
View solution
Q. A typical ceiling fan would be best described as a(n)
View solution
Q. What is the ratio of diameter of impeller to the diameter of tank (Da:Dt)?
View solution
Q. The rate limiting step in the movement of oxygen from the gas phase in a bubble to the cell is the movement of oxygen molecules through
View solution
Q. Penetration theory assumes that turbulent eddies travel from the bulk of the phase to the interface where they remain constant for a constant exposure time (te). The model correlating KL, mass transfer coefficient and DAB, diffusivity can be expressed as
View solution
Q. The oxygen uptake requirements of a microbial population is characterized by the following parameters: μm = 0.2 h¹, K0 = 0.2 mg O₂.l¹, Y0 = 0.5 mg dry weight/mg O₂ and C0,crit=0.8 mg.l¹ The required concentration of cells is 1000 mg.l¹ and the saturation oxygen concentration of the medium is 5.8 mg.l¹. The required KLa must be greater than
View solution
Q. Which have the maximum resistance while transferring carbon dioxide from the bulk liquid to an air bubble?
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Biochemical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!