MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp Paper knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The higher this ratio, the less _________ decrement is predicted when cooking to a specified kappa number |
| A. | lignin content |
| B. | pulpwood |
| C. | groundwood |
| D. | cellulose viscosity |
| Answer» E. | |
| 2. |
What is the name of the MOH + MHO3andrarr; ______+H2O |
| A. | M2SO3 |
| B. | MHSO3 |
| C. | No react |
| D. | SO4 |
| Answer» C. No react | |
| 3. |
Fill in the blank.MOH + H2SO3andrarr; __________+H2O |
| A. | M2SO3 |
| B. | MHSO3 |
| C. | No react |
| D. | SO4 |
| Answer» C. No react | |
| 4. |
The various salts of _________are of central importance to the various sulfite-based processes. The chemistry of sulfurous acid as a function of pH is very imp. |
| A. | Chlorine |
| B. | Sulphur |
| C. | Sulfurous acid |
| D. | Calcium |
| Answer» D. Calcium | |
| 5. |
Derive the gravimetric factor for converting Ca(HSO3)2 to SO2. |
| A. | 0.634g SO2 |
| B. | 1.254g SO2 |
| C. | 9.325g SO2 |
| D. | 40.456g SO2View Answer |
| Answer» B. 1.254g SO2 | |
| 6. |
_________ is a moderately strong acid. It’ll react completely with any of the 5 common hydroxides utilized in sulfite cooking. |
| A. | Sulphurous acid |
| B. | Hydrochloric acid |
| C. | Sulphuric acid |
| D. | Nitric acid |
| Answer» B. Hydrochloric acid | |
| 7. |
The _________ equation could not be utilized for this part of the titration curve since the H2CO3 ionizes appreciably, thereby reducing the conc. of H2CO3 and changing the ratio of acid to conjugate base significantly. |
| A. | Kennedy |
| B. | Henderson-Hasselbalch |
| C. | Jhonty-Miller |
| D. | Kraft-Hammer |
| Answer» C. Jhonty-Miller | |
| 8. |
The various salts of _________ acid are of central importance to the various sulfite-based processes. The chemistry of _________ acid as a function of pH is very important. |
| A. | Hydrochloric |
| B. | Hydrogen fluoride |
| C. | Hydrogen bromide |
| D. | Sulphurous |
| Answer» E. | |
| 9. |
All chemical sulfite methods use nearly 80% chemical (SO2 basis) on a dry wood basis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
The concentration of chemicals in sulfite pulping are noted on an SO2 basis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Fill in the blank? |
| A. | |
| B. | M<sub>2</sub>SO<sub>3</sub> |
| C. | MHSO<sub>3</sub> |
| Answer» C. MHSO<sub>3</sub> | |
| 12. |
The various salts of _________are of central importance to the various sulfite-based processes. The chemistry of sulfurous acid as a function of pH is very imp? |
| A. | Chlorine |
| B. | Sulphur |
| C. | Sulfurous acid |
| D. | Calcium |
| Answer» C. Sulfurous acid | |
| 13. |
634g SO2 |
| A. | 1.254g SO<sub>2</sub> |
| B. | 9.325g SO<sub>2</sub> |
| C. | 40.456g SO<sub>2</sub> |
| Answer» D. | |
| 14. |
_________ is a moderately strong acid. It’ll react completely with any of the 5 common hydroxides utilized in sulfite cooking.$ |
| A. | Sulphurous acid |
| B. | Hydrochloric acid |
| C. | Sulphuric acid |
| D. | Nitric acid |
| Answer» B. Hydrochloric acid | |
| 15. |
The _________ equation could not be utilized for this part of the titration curve since the H2CO3 ionizes appreciably, thereby reducing the conc. of H2CO3 and changing the ratio of acid to conjugate base significantly. |
| A. | Kennedy |
| B. | Henderson-Hasselbalch |
| C. | Jhonty-Miller |
| D. | Kraft-Hammer |
| Answer» C. Jhonty-Miller | |
| 16. |
The various salts of _________ acid are of central importance to the various sulfite-based processes. The chemistry of _________ acid as a function of pH is very important. |
| A. | Hydrochloric |
| B. | Hydrogen fluoride |
| C. | Hydrogen bromide |
| D. | Sulphurous |
| Answer» E. | |
| 17. |
All chemical sulfite methods use nearly 80% chemical (SO2 basis) on a dry wood basis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 18. |
The concentration of chemicals in sulfite pulping are noted on an SO2 basis. |
| A. | True |
| B. | False |
| Answer» B. False | |