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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your 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 dm3 |
B. | 225,000 dm3 |
C. | 215,000 dm3 |
D. | 232,000 dm3 |
Answer» C. 215,000 dm3 | |