Chemical Reaction Engineering MCQ

Q1. What is the primary aim of chemical reaction engineering?

Q2. A batch reactor is:

Q3. For a first order reaction, the rate law is:

Q4. The order of a reaction is determined by:

Q5. Which reactor provides the same composition at inlet and outlet?

Q6. Space time (τ) in a reactor is:

Q7. In a plug flow reactor (PFR), the fluid moves:

Q8. An increase in temperature usually causes reaction rate to:

Q9. Catalysts affect reactions by:

Q10. A zero-order reaction rate depends on:

Q11. Arrhenius equation links rate constant with:

Q12. Maximum gas conversion generally occurs in:

Q13. The Thiele modulus is associated with:

Q14. Pseudo-first order reactions:

Q15. An ideal CSTR achieves steady-state when:

Q16. Residence time distribution (RTD) analysis is useful for:

Q17. For a reversible reaction at equilibrium:

Q18. Which reactor is best for autocatalytic reactions?

Q19. In a gas-solid catalytic reactor the controlling step can be:

Q20. Conversion (X) for a plug flow reactor is given by:

Q21. Heat effects in exothermic reactions cause:

Q22. In parallel reactions, selectivity towards desired product is increased by:

Q23. Effectiveness factor in heterogeneous catalysis is:

Q24. Which law relates the rate of reaction to concentration for elementary reactions?

Q25. A continuous stirred tank reactor (CSTR) has:

Q26. Plug flow reactors are more appropriate when:

Q27. Gas-liquid reactions are influenced by:

Q28. Selectivity in parallel reactions is defined as:

Q29. Escape of catalyst particles from a reactor affects:

Q30. Pressure drop in a packed bed reactor leads to:

Q31. A first order reaction in a batch reactor follows:

Q32. Most suitable reactor for highly exothermic reactions is:

Q33. Half-life of first-order reaction depends on:

Q34. Reactor volume for desired conversion increases as:

Q35. Levenspiel plot is used for:

Q36. Which reactor is commonly used for enzyme-catalyzed reactions?

Q37. Plug flow assumption is valid when:

Q38. Autothermal reactors utilize:

Q39. Conversion in a reactor can be increased by: