MCQOPTIONS
Saved Bookmarks
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. |
Which of the following is a ferromagnetic substance? |
| A. | Cobalt |
| B. | Nitrogen |
| C. | Nitric oxide |
| D. | Helium |
| Answer» B. Nitrogen | |
| 2. |
Nitric oxide exhibits the paramagnetic property. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Thermomagnetic is a wind type analyzer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
pH is the measurement of _________ |
| A. | concentration of H<sup>+</sup> |
| B. | concentration of H<sup> </sup> |
| C. | concentration of OH<sup>+</sup> |
| D. | concentration of OH<sup> </sup> |
| Answer» B. concentration of H<sup> </sup> | |
| 5. |
What is the value of Faraday s constant? |
| A. | 96500 J/mol |
| B. | 96400 J/mol |
| C. | 36300 J/mol |
| D. | 36500 J/mol |
| Answer» B. 96400 J/mol | |
| 6. |
Which of the following makes contact with a solution whose pH is to be measured? |
| A. | Ceramic plug |
| B. | Electrolyte |
| C. | Silver wire |
| D. | Reference solution |
| Answer» B. Electrolyte | |
| 7. |
Which of the following is not used for monitoring the pH? |
| A. | Glass electrode |
| B. | Galvanic electrode |
| C. | Silver electrode |
| D. | Combined electrode |
| Answer» C. Silver electrode | |
| 8. |
Which of the following has a dumbbell shape? |
| A. | Magnetodynamic |
| B. | Thermomagnetic |
| C. | Magnetopneumatic |
| D. | Load cells |
| Answer» B. Thermomagnetic | |
| 9. |
Which of the following is not the type of paramagnetic gas analyzers? |
| A. | Magnetodynamic |
| B. | Thermomagnetic |
| C. | Magnetopneumatic |
| D. | Load cells |
| Answer» E. | |
| 10. |
Which of the following method is uses fluorescence for oxygen measurement? |
| A. | Tubing method |
| B. | Fluorometric method |
| C. | Polarographic method |
| D. | Galvanic method |
| Answer» C. Polarographic method | |
| 11. |
Which of the following is not used in DO measurement? |
| A. | Polarographic electrode |
| B. | Tubing method |
| C. | Tachometers |
| D. | Galvanic electrode |
| Answer» D. Galvanic electrode | |
| 12. |
Which of the following is used as an electrolyte in the galvanic electrode? |
| A. | NaCl |
| B. | KCl |
| C. | SnCl<sub>2</sub> |
| D. | MgCl<sub>2</sub> |
| Answer» C. SnCl<sub>2</sub> | |
| 13. |
Which of the following acts as the anode in the galvanic electrode? |
| A. | Silver |
| B. | Magnesium |
| C. | Lead |
| D. | Platinum |
| Answer» D. Platinum | |
| 14. |
The probe signal of O2 is determined by the equation ____________ |
| A. | P(O<sub>2</sub>) = C(O<sub>2</sub>) * T<sub>P</sub> |
| B. | P(O<sub>2</sub>) = C(O<sub>2</sub>) * P<sub>T</sub> |
| C. | P(O<sub>2</sub>) = C(O<sub>2</sub>) / P<sub>T</sub> |
| D. | P(O<sub>2</sub>) = C(O<sub>2</sub>) + P<sub>T</sub> |
| Answer» C. P(O<sub>2</sub>) = C(O<sub>2</sub>) / P<sub>T</sub> | |
| 15. |
The details of steam-sterilized electrodes was given by ________ |
| A. | Lee and Tsao |
| B. | Kell et al. |
| C. | Schwan |
| D. | Buhler and Ingold |
| Answer» B. Kell et al. | |