Question

The reason of using a flat disk in a Turbine is

a.

to create high shear conditions

b.

to break up bubbles more efficiently than the impeller blades

c.

to ensure that the bulk of the energy consumption occurs at the blades

d.

all of the above

Answer: (c).to ensure that the bulk of the energy consumption occurs at the blades

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The reason of using a flat disk in a Turbine is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Which of the following is not considered among the three best-known theories of interphase mass transfer?

Q. Which of the following is most likely to cause an increase in the rate of oxygen transfer into a particular aerated fermentation system?

Q. At 25°C, the saturation concentration of oxygen in water is 1.26 mmol/l and the partial pressure of oxygen is 1 atm. The Henry's law constant will be

Q. Gas hold up, characterizing the hydrodynamics in a fermenter, mainly depends on the

Q. Which of the following will have the highest surface area available for oxygen transfer?

Q. A flooded impeller will lead to poor oxygen transfer rates because

Q. Power consumption by agitation is

Q. Which of the following impellers will provide radial flow?

Q. When liquid is pumped through cooling coil in a stirred tank reactor to cool. Which of the following is not correct?

Q. Swirling and vortex formation can be prevented by

Q. Power number is expressed as

Q. The power consumption in a stirring vessel can be assessed by using a

Q. Surface renewal theory predicts that the mass transfer coefficient is

Q. The oxygen transfer rate in a bioreactor will increase if

Q. Which of the following impellers are used for wide range of viscosities?

Q. Which of the following type(s) of stirrer can be used for microbiological processes?

Q. The range of width for the baffle in the fermenter is __________ times of vessel diameter

Q. The average concentration of oxygen in the boundary layers surrounding the bubbles (Co*) in a reactor is normally determined by

Q. Why vortexing is undesirable in the agitation of biological systems?

Q. What is the ratio of depth of liquid in vessel to the diameter of tank (H:Dt)?

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!