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MCQs

Total Questions : 94 | Page 9 of 10 pages
Question 81. What is the aspect ratio of a stirred tank bioreactor?
  1.    1-2
  2.    2-3
  3.    2-4
  4.    3-5
 Discuss Question
Answer: Option D. -> 3-5
Answer: (d).3-5
Question 82. The vessel used for bubble column bioreactors is _______
  1.    Square
  2.    Rectangular
  3.    Cylindrical
  4.    Circular
 Discuss Question
Answer: Option C. -> Cylindrical
Answer: (c).Cylindrical
Question 83. In bubble column bioreactor, the flow rate of air/ gas influences the performance of oxygen transfer.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 84. The diameter of the impeller is usually 1/3rd of the vessel diameter.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 85. In which of the following bioreactors is the vessel divided into two interconnected zones?
  1.    Bubble column bioreactors
  2.    Airlift bioreactors
  3.    Continuous stirred tank bioreactors
  4.    Packed bed bioreactors
 Discuss Question
Answer: Option B. -> Airlift bioreactors
Answer: (b).Airlift bioreactors
Question 86. Which of the following reactors is comparable to bubble column bioreactor?
  1.    Fluidized bed bioreactor
  2.    Packed bed bioreactors
  3.    Airlift bioreactors
  4.    Continuous stirred tank bioreactors
 Discuss Question
Answer: Option A. -> Fluidized bed bioreactor
Answer: (a).Fluidized bed bioreactor
Question 87. Which of the following bioreactor consists of biocatalysts on or within the matrix of solids?
  1.    Photo-bioreactors
  2.    Packed bed bioreactors
  3.    Airlift bioreactors
  4.    Fluidized bed bioreactor
 Discuss Question
Answer: Option B. -> Packed bed bioreactors
Answer: (b).Packed bed bioreactors
Question 88. Which bioreactor is designed for fermentation?
  1.    Photo bioreactors
  2.    Continuous stirred tank bioreactors
  3.    Fluidized bed bioreactor
  4.    Airlift bioreactors
 Discuss Question
Answer: Option A. -> Photo bioreactors
Answer: (a).Photo bioreactors
Question 89. The array of tubes or flat panels constitutes ________ in photo bioreactors.
  1.    Light receiving systems
  2.    Heating systems
  3.    Cooling systems
  4.    Radiation emitting systems
 Discuss Question
Answer: Option A. -> Light receiving systems
Answer: (a).Light receiving systems
Question 90. Which of these is the mathematical representation of a condition of a plug flow reactor after a tracer is added?
  1.    ŧ=V/Q
  2.    C=C₀e⁻¹/ŧ
  3.    ŧ=Q/V
  4.    C₀=Ce⁻¹/ŧ
 Discuss Question
Answer: Option A. -> ŧ=V/Q
Answer: (a).ŧ=V/Q

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