22. Which of the following is not considered among the three best-known theories of interphase mass transfer?
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23. Which of the following is most likely to cause an increase in the rate of oxygen transfer into a particular aerated fermentation system?
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24. 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
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25. Gas hold up, characterizing the hydrodynamics in a fermenter, mainly depends on the
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26. Turbine impeller consists of flat impeller blades with
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27. An aerated bioreactor will increase oxygen transfer rates with the addition of detergents because it
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28. Vortexing in stirred tank reactors can be prevented by
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