MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Food Packaging Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Thermal treatment increases flexibility of mechanical pulps. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is used for pretreatment in Chemithermomechanical pulping? |
| A. | Calcium propionate |
| B. | Calcium carbonate |
| C. | Sodium nitrate |
| D. | Sodium sulfite |
| Answer» E. | |
| 3. |
Which pulping process is suitable for manufacturing of the middle layer of multi-ply boards? |
| A. | Mechanical pupling |
| B. | Kraft pulping |
| C. | Thermomechanical pulping |
| D. | Chemithermomechanical pulping |
| Answer» E. | |
| 4. |
Paper from which pulp is mostly used for newspaper? |
| A. | Groundwood pulp |
| B. | Thermochemical pulp |
| C. | Chemithermomechanical pulp |
| D. | Kraft process pulp |
| Answer» B. Thermochemical pulp | |
| 5. |
Paper from mechanical pulp is stronger than that from chemical pulp. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Chemical pulp fibers have a greater tendency to collapse. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The presteaming temperature for thermochemical pulping is _______ |
| A. | 110 C 150 C |
| B. | 150 C 200 C |
| C. | 200 C 250 C |
| D. | 250 C 300 C |
| Answer» B. 150 C 200 C | |
| 8. |
Which of the following pulping processes was developed in 1950s? |
| A. | Sulphite process |
| B. | Kraft process |
| C. | Refiner mechanical pulping process |
| D. | Screw pulping process |
| Answer» D. Screw pulping process | |
| 9. |
The yield of chemical pulp is more than that of mechanical pulp. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
________ pulp is produced by forcing wood against a rapidly revolving grindstone. |
| A. | Grindwood |
| B. | Groundwood |
| C. | Pinewood |
| D. | Smashwood |
| Answer» C. Pinewood | |
| 11. |
If ________ is present in paper, it deteriorates in color and strength quite rapidly. |
| A. | Cellulose |
| B. | Lignin |
| C. | Hemicellulose |
| D. | Pectin |
| Answer» C. Hemicellulose | |
| 12. |
______ is the intercellular substance remaining in fiber pulp. |
| A. | Cellulose |
| B. | Pectin |
| C. | Glucose |
| D. | Lignin |
| Answer» E. | |
| 13. |
The purpose of pulping is to separate the fibers. |
| A. | True |
| B. | False |
| Answer» B. False | |