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. |
If the two metals have different temperature coefficient then, they are useful in making _________ |
| A. | Manometric thermometer |
| B. | Gas thermometer |
| C. | Bimetallic thermometer |
| D. | Digital thermometer |
| Answer» D. Digital thermometer | |
| 2. |
Antifoam probe is a type of off-line sensor. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Ion-specific sensors are the types of on-line sensors. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following parameters is not useful in the construction of pressure bellows? |
| A. | Hysteresis |
| B. | Sensitive to changing pressures |
| C. | Corrosion |
| D. | pH |
| Answer» E. | |
| 5. |
Which of the following sensor is not a part of the fermenter? |
| A. | On-line |
| B. | In-line |
| C. | Off-line |
| D. | Out-line |
| Answer» D. Out-line | |
| 6. |
Which of the following measures the pressure with change in electrical resistance? |
| A. | Bourdon tube |
| B. | Pressure bellows |
| C. | Strain gauge |
| D. | Diaphragm gauge |
| Answer» D. Diaphragm gauge | |
| 7. |
Who invented the Bourdon tube? |
| A. | Eugene |
| B. | Howe |
| C. | Flynn |
| D. | Royce |
| Answer» B. Howe | |
| 8. |
Which of the following devices is not used for pressure measurement? |
| A. | Diaphragm gauge |
| B. | Pressure bellows |
| C. | Strain gauge |
| D. | Dynamometer |
| Answer» E. | |
| 9. |
Which of the following is made up of mixtures of pure oxides of iron and nickel? |
| A. | Thermistors |
| B. | Mercury thermometers |
| C. | Radiation thermometers |
| D. | Metallic thermometers |
| Answer» B. Mercury thermometers | |
| 10. |
The resistance _________ with increase in temperature. |
| A. | Increases |
| B. | Decreases |
| C. | Becomes constant |
| D. | Becomes zero |
| Answer» B. Decreases | |
| 11. |
Which of the following temperature sensors is not used for a temperature measurement? |
| A. | Non-electrical type |
| B. | Electrical type |
| C. | Magnetic type |
| D. | Radiation type |
| Answer» D. Radiation type | |
| 12. |
The heat control at large-scale in the fermenter is carried out by _________ |
| A. | Inter heating coils |
| B. | Heating jacket |
| C. | Controlled bath |
| D. | Cold-water circulation |
| Answer» E. | |
| 13. |
Which of the following sensor is used to measure the change in flow rate? |
| A. | Temperature |
| B. | Weight |
| C. | Medium analysis |
| D. | Exit-gas analysis |
| Answer» C. Medium analysis | |
| 14. |
Which of the following sensor is used to measure the acid/alkali addition? |
| A. | pH |
| B. | Redox |
| C. | Temperature |
| D. | Oxygen |
| Answer» B. Redox | |
| 15. |
Which of the following sensor penetrates into the fermenter? |
| A. | Exhaust-gas analyzers |
| B. | pH electrodes |
| C. | Tachometers |
| D. | Load cells |
| Answer» C. Tachometers | |