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 two-position controller is a type of automatic controller. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following control will lead to a reduction in deviation? |
| A. | Cascade control |
| B. | Adaptive control |
| C. | Proportional plus derivative control |
| D. | Proportional plus integral control |
| Answer» D. Proportional plus integral control | |
| 3. |
Which of the following is used when dynamics do not change with time? |
| A. | Sequential control |
| B. | Cascade control |
| C. | Cumulative control |
| D. | Adaptive control |
| Answer» E. | |
| 4. |
Which of the following is used in the measurement of water temperature and flow rate? |
| A. | Cascade control |
| B. | Sequential control |
| C. | Feed-forward control |
| D. | Concerted control |
| Answer» D. Concerted control | |
| 5. |
Which of the following control is used to control water temperature in the heat exchanger process? |
| A. | Feed-forward control |
| B. | Cascade control |
| C. | Sequential control |
| D. | Cumulative control |
| Answer» C. Sequential control | |
| 6. |
Which of the following combination of control is not used in practice? |
| A. | Proportional plus integral |
| B. | Proportional plus integral minus derivative |
| C. | Proportional plus derivative |
| D. | Proportional plus integral plus derivative |
| Answer» C. Proportional plus derivative | |
| 7. |
The change in the output of the controller is proportional to the input signal produced by the environmental change. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The manual control consists of ___________ to regulate the temperature. |
| A. | Safety valve |
| B. | Needle valve |
| C. | Butterfly valve |
| D. | Steam valve |
| Answer» E. | |
| 9. |
Which of the following is not a type of Automatic control system? |
| A. | Integral controls |
| B. | Derivative controls |
| C. | Proportional controls |
| D. | Displacement control |
| Answer» E. | |
| 10. |
Which of the following is not a component of the control loop? |
| A. | Initial control element |
| B. | A measuring element |
| C. | Final control element |
| D. | Controller |
| Answer» B. A measuring element | |
| 11. |
The minimum response time of mass spectroscopy is __________ |
| A. | 15 secs |
| B. | 10 secs |
| C. | 5 secs |
| D. | 2 secs |
| Answer» D. 2 secs | |
| 12. |
Who developed the technique to measure glucose in a lactic acid fermentation? |
| A. | Brookes |
| B. | Vaccari |
| C. | Rolf |
| D. | Lim |
| Answer» C. Rolf | |
| 13. |
Who developed the sterilized penicillinase electrodes? |
| A. | Higgins |
| B. | Hewetson |
| C. | Boldot |
| D. | Enfors |
| Answer» C. Boldot | |
| 14. |
The minimum response time of Ion-selective electrodes is ________ |
| A. | 10 secs |
| B. | 15 secs |
| C. | 5 secs |
| D. | 20 secs |
| Answer» B. 15 secs | |
| 15. |
Which of the following organization developed Ion-specific sensors? |
| A. | Orion Research |
| B. | AISI |
| C. | TATA |
| D. | SAIL |
| Answer» B. AISI | |