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- Question
The types of inhibition pattern based on Michaelis Menten equation are
Options- A. competitive
- B. non-competitive
- C. uncompetitive
- D. all of the above
- Correct Answer
- all of the above
- 1. If the packing density (?) is defined as the volume of the fiber unit volume of filter bed, the velocity within the filter void space is equal to (where V is velocity in fluid void space and V0 is undisturbed fluid velocity)
Options- A. V = V0/(1-?)
- B. V-V0 = 1 - ?
- C. V = V0(1 - ?)
- D. V = V0/(1 + ?) Discuss
- 2. For a steady state condition, the change of substrate concentration (dCs/dt) is
Options- A. zero
- B. 1
- C. >1
- D. <1 Discuss
- 3. Industrial paddle agitators turn at the speed of
Options- A. 20 and 150 rpm
- B. 150 and 300 rpm
- C. 400 and 800 rpm
- D. 1150 rpm Discuss
- 4. For organisms growing in a chemostat, the specific growth rate
Options- A. cannot be determined
- B. can be determined from the dilution rate
- C. equals to the maximum specific growth rate of the culture
- D. none of the above Discuss
- 5. The collection efficiency by interception increases with the
Options- A. increasing particle diameter
- B. increasing air flow velocity
- C. both (a) and (b)
- D. increasing particle size Discuss
- 6. The types of inhibition pattern based on Michaelis Menten equation are
Options- A. competitive
- B. non-competitive
- C. uncompetitive
- D. all of the above Discuss
- 7. The range of width for the baffle in the fermenter is __________ times of vessel diameter
Options- A. 1/10 to 1/12
- B. 1/8 to 1/10
- C. 1/5 to 1/8
- D. none of these Discuss
- 8. The maximum specific growth rate of an organism depends on
Options- A. medium composition
- B. temperature
- C. pH
- D. All of these Discuss
- 9. What is the effect of the concentration of dissolved salts and sugars on the oxygen transfer rate?
Options- A. The saturation concentration of oxygen in the medium decreases with the concentration of dissolved salts and sugars, leading to a lower oxygen transfer rate
- B. The KLa of the medium decreases with the concentration of dissolved salts and sugars, leading to a lower oxygen transfer rate
- C. The KLa of the medium increases with the concentration of dissolved salts and sugars, leading to a lower oxygen transfer rate
- D. None of the above Discuss
- 10. Sedimentation is a physical process used in wastewater treatment to
Options- A. remove particles that are less dense than water
- B. remove particles that are more dense than water
- C. remove the pertinacious material from the water
- D. none of the above Discuss
More questions
Correct Answer: V = V0/(1-?)
Correct Answer: zero
Correct Answer: 20 and 150 rpm
Correct Answer: can be determined from the dilution rate
Correct Answer: increasing particle size
Correct Answer: all of the above
Correct Answer: 1/10 to 1/12
Correct Answer: All of these
Correct Answer: The saturation concentration of oxygen in the medium decreases with the concentration of dissolved salts and sugars, leading to a lower oxygen transfer rate
Correct Answer: remove particles that are more dense than water
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