MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How do we measure the concentration of the enzyme? |
| A. | In units of mass |
| B. | In units of time |
| C. | In units of activity |
| D. | In units of volume |
| Answer» D. In units of volume | |
| 2. |
“The rate per quantity of enzyme or cells involved in the reaction”, this is applicable to which type of reaction rate? |
| A. | Total rate |
| B. | Specific rate |
| C. | Variable rate |
| D. | Volumetric rate |
| Answer» C. Variable rate | |
| 3. |
What is the unit of the reaction yield? |
| A. | gmol gmol |
| B. | gmol2 |
| C. | gmolK-2 |
| D. | gmol / gmol |
| Answer» E. | |
| 4. |
The irreversible reaction takes place in the closed vessel. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Refer to Q5 and Q6, and estimate that whether 75°C is desirable to operate? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Refer to Q5 and, calculate the same for equilibrium constant at 75°C. |
| A. | 1.15 |
| B. | 1.16 |
| C. | 1.18 |
| D. | 1.17 |
| Answer» B. 1.16 | |
| 7. |
Glucose isomerase is used extensively in the USA for production of high-fructose syrup. The reaction is ___________Glucose ⇄ FructoseΔH°rxn for this reaction is 5.73 kJ gmol-l; ΔS°rxn is 0.0176 kJ gmol-l K-l.Calculate the equilibrium constants at 50°C. (Given R = 8.3144J gmol-l K-l =8.3144×10-3 kJ gmol-lK-l). |
| A. | 0.95 |
| B. | 0.94 |
| C. | 0.96 |
| D. | 0.98 |
| Answer» E. | |
| 8. |
THE_IRREVERSIBLE_REACTION_TAKES_PLACE_IN_THE_CLOSED_VESSEL.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
“The rate per quantity of enzyme or cells involved in the reaction”, this is applicable to which type of reaction rate?$# |
| A. | Total rate |
| B. | Specific rate |
| C. | Variable rate |
| D. | Volumetric rate |
| Answer» C. Variable rate | |
| 10. |
What_is_the_unit_of_the_reaction_yield?$ |
| A. | gmol gmol |
| B. | gmol<sup>2</sup> |
| C. | gmolK<sup>-2</sup> |
| D. | gmol/ gmol |
| Answer» E. | |
| 11. |
Variation of the rate constant k with temperature is described by which equation? |
| A. | Arrhenius equation |
| B. | Monod equation |
| C. | Kirchoff’s equation |
| D. | Newton’s second law of thermodynamics |
| Answer» B. Monod equation | |
| 12. |
The conditions of rate of reaction from the following is _______ |
| A. | Reactions proceeds with the increase of reactants |
| B. | Reactions decrease with the decrease of reactants |
| C. | Reactions increase with decrease in temperature |
| D. | Reactions increase with increase in temperature |
| Answer» E. | |
| 13. |
Total, volumetric and specific productivities are different. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
How_do_we_measure_the_concentration_of_the_enzyme? |
| A. | In units of mass |
| B. | In units of time |
| C. | In units of activity |
| D. | In units of volume |
| Answer» D. In units of volume | |
| 15. |
Which of the following is not a reversible reaction? |
| A. | Formation of NH3 rate |
| B. | Decomposition of NH3 rate |
| C. | Decomposition of potassium chlorate |
| D. | Reaction of gaseous hydrogen with iodine vapors |
| Answer» D. Reaction of gaseous hydrogen with iodine vapors | |
| 16. |
Refer to Q5 and Q6, and estimate that whether 75‚ÑÉ is desirable to operate?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Refer to Q5 and, calculate the same for equilibrium constant at 75‚ÑÉ.$ |
| A. | 1.15 |
| B. | 1.16 |
| C. | 1.18 |
| D. | 1.17 |
| Answer» B. 1.16 | |
| 18. |
For exothermic reactions, which condition is applicable for equilibrium constant K? |
| A. | K decreases with increasing temperature |
| B. | K decreases with decreasing temperature |
| C. | Positive ΔH<sub>rxn</sub><sup>°</sup> with increasing temperature; K increases |
| D. | Negative ΔH<sub>rxn</sub><sup>°</sup> with increasing temperature; K increases |
| Answer» B. K decreases with decreasing temperature | |
| 19. |
The equilibrium constant (K) depends on __________ |
| A. | Pressure |
| B. | pH |
| C. | Temperature |
| D. | Density |
| Answer» D. Density | |
| 20. |
According to reaction theory, Reaction kinetics is concerned with how far the reaction can proceed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 21. |
Which type of catalysis reaction defines cell growth? |
| A. | Tandem catalysis |
| B. | Surface catalysis |
| C. | Homo catalysis |
| D. | Autocatalysis |
| Answer» E. | |