MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 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. |
A homogenous material is defined as being ____________ |
| A. | An element |
| B. | Any material with uniform composition |
| C. | Synonymous with “solution” |
| D. | Any material with non-uniform composition |
| Answer» C. Synonymous with “solution” | |
| 2. |
There is always a limiting reactant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Reactant which controls amount of products is _________ |
| A. | Deficient reactant |
| B. | Non- Deficient reactant |
| C. | Limiting reactant |
| D. | Excess reactant |
| Answer» D. Excess reactant | |
| 4. |
“Ypx” is defined as mass or mole of product produced per unit mass or mole of substrate consumed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What is the unit of Maintenance coefficient “m”? |
| A. | kg substrate (kg biomass) S-1 |
| B. | kg substrate (kg biomass) S |
| C. | kg substrate (kg biomass)-1 S-1 |
| D. | kg substrate (kg biomass)-1 S |
| Answer» D. kg substrate (kg biomass)-1 S | |
| 6. |
THERE_IS_ALWAYS_A_LIMITING_REACTANT.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
A_homogenous_material_is_defined_as_being_____________$ |
| A. | An element |
| B. | Any material with uniform composition |
| C. | Synonymous with “solution” |
| D. | Any material with non-uniform composition |
| Answer» C. Synonymous with ‚Äö√Ñ√∂‚àö√ë‚àö‚à´solution‚Äö√Ñ√∂‚àö√ë‚àöœÄ | |
| 8. |
Reactant which controls amount of products is ________? |
| A. | Deficient reactant |
| B. | Non- Deficient reactant |
| C. | Limiting reactant |
| D. | Excess reactant |
| Answer» D. Excess reactant | |
| 9. |
The total mass and number of atom of each element these two quantities is constant during any Chemical and Biochemical reactions. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
“Ypx” is defined as mass or mole of product produced per unit mass or mole of substrate consumed.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
What is the unit of Maintenance coefficient “m”?$ |
| A. | kg substrate (kg biomass) S-1 |
| B. | kg substrate (kg biomass) S |
| C. | kg substrate (kg biomass)-1 S-1 |
| D. | kg substrate (kg biomass)-1 S |
| Answer» D. kg substrate (kg biomass)-1 S | |
| 12. |
Steady state condition is maintained in ____________ |
| A. | Continuous process |
| B. | Batch process |
| C. | Fed- batch process |
| D. | Semi-batch process |
| Answer» B. Batch process | |
| 13. |
Refer to Q1 and Q2, and determine the value of the maintenance coefficient (g substrate/g DCW-h). |
| A. | 0.099 g substrate/g DCW-h |
| B. | 0.089 g substrate/g DCW-h |
| C. | 0.079 g substrate/g DCW-h |
| D. | 0.069 g substrate/g DCW-h |
| Answer» B. 0.089 g substrate/g DCW-h | |
| 14. |
Refer to Q1 and, Estimate the time (after lag phase) required achieving it. |
| A. | 5.60 hr |
| B. | 5.61 hr |
| C. | 5.62 hr |
| D. | 5.63 hr |
| Answer» E. | |
| 15. |
Consider the growth of a microorganism in batch culture. When the substrate concentration is high, the cell density doubles every 0.75 h, the observed substrate yield coefficient is 0.3 g DCW/g, and substrate consumption is allocated towards biosynthesis (60%), maintenance (10%), as well as product formation (30%). The product formation is strictly growth-associated. The batch reactor is inoculated with 0.01 g DCW/L and 10 g/L substrate. Estimate the maximum cell density (after lag phase). |
| A. | 1.21 g DCW/ l |
| B. | 1.41 g DCW/ l |
| C. | 1.61 g DCW/ l |
| D. | 1.81 g DCW/ l |
| Answer» E. | |