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GATE Fundamentals of Biological Engineering: Bioreaction Engineering: Ideal reactors (batch, mixed flow, plug flow), enzyme immobilization, Thiele modulus, effectiveness factor, Damkohler number – Previous Year Questions

5 GATE previous year questions on Bioreaction Engineering: Ideal reactors (batch, mixed flow, plug flow), enzyme immobilization, Thiele modulus, effectiveness factor, Damkohler number (Fundamentals of Biological Engineering, Biotechnology) with answers and explanations, from every paper.

  1. GATE 2022 BT Q48 (2 marks, Multiple select) – Which of the following statements are CORRECT for an enzyme entrapped in a spherical particle?
  2. GATE 2022 BT Q59 (2 marks, Numerical answer) – An enzyme converts A to B with -r A=C A/(5+C A) mol/(L min). Feed containing 10 mol/L A enters an ideal MFR at 10 L/min. Volume for 50% conversion is…
  3. GATE 2026 BT Q49 (2 marks, Multiple select) – For an ideal plug flow reactor, which of the following statements is/are true?
  4. GATE 2025 BT Q54 (2 marks, Multiple select) – An enzyme immobilised in a porous spherical pellet, catalyses a strongly mass-transfer limited first-order reaction. The effectiveness factor for the…
  5. GATE 2024 BT Q55 (2 marks, Numerical answer) – Aspergillus niger is grown in a 10,000 L stirred batch bioreactor under aerated conditions to produce citric acid. At steady state oxygen transfer…