Ideal Reactor Operation MCQ

Test your knowledge with important Ideal Reactor Operation MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Ideal Reactor Operation MCQs at Bissoy

• By taking the parameters of Q14 into consideration, estimate how many tonnes of glucose are produced per year?
  ক

  56.3 tonnes yr-1

  খ

  56.6 tonnes yr-1

  গ

  56.7 tonnes yr-1

  ঘ

  56.5 tonnes yr-1
• Immobilised lactase is used to hydrolyse lactose in dairy waste to glucose and galactose. Enzyme is immobilised in resin particles and packed into a 0.5 m3 column. The total effectiveness factor for the system is close to unity; Km for the immobilised enzyme is 1.32 kg m-3; Vmax is 45 kg m-3 h-1. The lactose concentration in the feed stream is 9.5 kg m-3; a substrate conversion of 98% is required. The column is operated with plug flow for a total of 310 d per year. At what flow rate should the reactor be operated?
  ক

  1.56 m3 h-1

  খ

  1.58 m3 h-1

  গ

  1.50 m3 h-1

  ঘ

  1.54 m3 h-1
• Which of the following type is of the perfusion culture?
  ক

  Batch

  খ

  Conc. Batch

  গ

  Continuous

  ঘ

  Conc. Fed-Batch
• By taking Q10 and Q11 into account and at the flow rate of Q10, what concentration of ethanol is produced?
  ক

  5.1 g l-1

  খ

  5.3 g l-1

  গ

  5.5 g l-1

  ঘ

  5.7 g l-1
• By taking Q10 and at the flow rate of Q10, what is the cell density?
  ক

  0.42 g l-1

  খ

  0.44 g l-1

  গ

  0.46 g l-1

  ঘ

  0.48 g l-1
• The Zymomonas mobilis cells are used for chemostat culture in a 60 m3 fermenter. The feed contains 12 g l-1 glucose; Ks for the organism is 0.2 g l-1. What flow rate is required for a steady-state substrate concentration of 1.5 g l-1?
  ক

  15.6 m3 h-1

  খ

  15.8 m3 h-1

  গ

  15.4 m3 h-1

  ঘ

  15.2 m3 h-1
• Zymomonas mobilis is used to convert glucose to ethanol in a batch fermenter under anaerobic conditions. The yield of biomass from substrate is 0.06 g g-1; YPX is 7.7 g g-1. The maintenance coefficient is 2.2 g g-1 h-1; the specific rate of product formation due to maintenance is 1.1 h-1. The maximum specific growth rate of Z. mobilis is approximately 0.3 h-1.5 g bacteria are inoculated into 50 litres of medium containing 12 g l-1 glucose. Determine batch culture times required to produce 10 g biomass.
  ক

  3.1 h

  খ

  3.3 h

  গ

  3.5 h

  ঘ

  3.7 h
• In batch reaction time with enzyme deactivation, calculate the first-order deactivation rate constant. (Given – so = 12 mM; vmax = 9 mM h-1; Km = 8.9 mM; sf = 1.2 mM; th = 4.4 h).
  ক

  0.150 h-1

  খ

  0.158 h-1

  গ

  0.155 h-1

  ঘ

  0.154 h-1
• Convert vmax = 7 mmol m-3 s-1 into mM h-1.
  ক

  25

  খ

  20

  গ

  25.20

  ঘ

  20.25
• Convert vmax = 2.5 mmol m-3 s-1 into mM h-1.
  ক

  2500

  খ

  900

  গ

  25

  ঘ

  9
• In a perfectly mixed reactor _________
  ক

  The output composition is different from input composition

  খ

  The output composition is identical from input composition

  গ

  Both output and input composition are constant

  ঘ

  Both output and input composition are not constant
• Aerobic reactions are not batch operations.
  ক

  True

  খ

  False