MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Fermentation Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The fermenter vessel has to pass through several tests before entering the market. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Rotating-disc fermenters are used in effluent treatment. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Dowpac is derivative of _____________ |
| A. | Polystyrene |
| B. | Polyethene |
| C. | Polyethylene Glycol |
| D. | Teflon |
| Answer» B. Polyethene | |
| 4. |
Which of the following scientist developed the cyclone column? |
| A. | Meyrath |
| B. | Dawson |
| C. | Wu |
| D. | Hamer |
| Answer» C. Wu | |
| 5. |
Who developed multiple air-lift fermenters? |
| A. | Bakker |
| B. | Hamer |
| C. | Reuss |
| D. | Bayer |
| Answer» B. Hamer | |
| 6. |
Which of the following is not the type of airlift fermenter? |
| A. | Concentric Draft loop |
| B. | Tower loop |
| C. | ICI deep shaft |
| D. | High pressure |
| Answer» E. | |
| 7. |
Which of the following is the disadvantage of cylindro-conical vessels in brewing? |
| A. | Time-consuming |
| B. | Fermentation and conditioning can be carried out in the same vessel |
| C. | Reduction in maturing time |
| D. | Yeast separation is good |
| Answer» B. Fermentation and conditioning can be carried out in the same vessel | |
| 8. |
Who proposed the use of cylindro-conical vessels? |
| A. | Nathan |
| B. | Boulton |
| C. | Maule |
| D. | Smith |
| Answer» B. Boulton | |
| 9. |
The tower beer fermenter was patented by _________ |
| A. | Shore |
| B. | Ulenberg |
| C. | Owen |
| D. | Victerero |
| Answer» B. Ulenberg | |
| 10. |
The Tower fermenter was first described for _____________ |
| A. | Amylase production |
| B. | Citric acid production |
| C. | Cheese production |
| D. | Beer production |
| Answer» C. Cheese production | |
| 11. |
Who defined Tower Fermenter? |
| A. | Cohee |
| B. | Steffen |
| C. | Ebner |
| D. | Greenshields |
| Answer» E. | |
| 12. |
Which manufacturer developed vinegator? |
| A. | Chemap AG |
| B. | Solida Biotech |
| C. | LanzaTech |
| D. | Arzeda |
| Answer» B. Solida Biotech | |
| 13. |
The diameter of Waldhof-type fermenter was _______ |
| A. | 8.0 m |
| B. | 7.8 m |
| C. | 7.9 m |
| D. | 8.1 m |
| Answer» D. 8.1 m | |
| 14. |
What led to the development of Walhof-type fermenter? |
| A. | Yeast growth |
| B. | Bacterial growth |
| C. | Viral growth |
| D. | Fungi growth |
| Answer» B. Bacterial growth | |
| 15. |
The operating volume of Waldhof-type fermenter is __________ for broth and air. |
| A. | 252,000 dm<sup>3</sup> |
| B. | 225,000 dm<sup>3</sup> |
| C. | 215,000 dm<sup>3</sup> |
| D. | 232,000 dm<sup>3</sup> |
| Answer» C. 215,000 dm<sup>3</sup> | |