Question
a.
20 and 150 rpm
b.
150 and 300 rpm
c.
400 and 800 rpm
d.
1150 rpm
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. Industrial paddle agitators turn at the speed of
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. The dynamic technique is based on the
View solution
Q. The addition of antifoams to an aerated bioreactor will decrease oxygen transfer rates because antifoams
View solution
Q. Which of the following will have the largest interfacial area per unit volume?
View solution
Q. Which device is commonly used for measuring the rate of rotation (rpm) of the stirrer shaft?
View solution
Q. Laminar flow range of mixing speed is obtained for
View solution
Q. Which of the following number is calculated from the diameter and peripheral speed of the impeller?
View solution
Q. A higher liquid height will lead to a higher gas hold up by which the oxygen transfer rate will be
View solution
Q. The main function of the dimples provided in the cooling jacket is to
View solution
Q. The power required by an agitator operating in a gas-sparged system is
View solution
Q. Axial flow impellers
View solution
Q. Bioreactors, where vortex is formed, another dimensionless number, __________ is useful.
View solution
Q. Oxygen transfer rate is increased with an increase in the stirrer speed in aerated bioreactor because
View solution
Q. If the stirring speed increased from 300 to 500 rpm leads to an increase in the reaction rate by two folds. Then it may be concluded that
View solution
Q. An increase in the heat transfer in the stirred tank reactor will be observed at
View solution
Q. The effect of increasing the stirrer speed in an unbaffled stirred tank reactor is that
View solution
Q. Turbulent flow range of mixing speed is obtained for
View solution
Q. For laminar flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)
View solution
Q. For turbulent flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei, is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)
View solution
Q. In a bioreactor, if at a particular time the oxygen transfer rate is 23 kg.h¹, then the oxygen uptake will be
View solution
Q. In a two-phase system where the continuous phase remains in place, the gas hold up can be expressed as (where Vs and Vt are the superficial gas velocity and bubble rise velocity)
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!