MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
Polymers used for packaging films must have a surface energy – _______ |
| A. | 5-25 mNm-1 |
| B. | 29-45 mNm-1 |
| C. | 45-55 mNm-1 |
| D. | 10-25 mNm-1 |
| Answer» C. 45-55 mNm-1 | |
| 2. |
Which of the following materials is the outermost lamination layer in tetrapacks? |
| A. | Polyester |
| B. | Polypropylene |
| C. | Polyethylene |
| D. | Polystyrene |
| Answer» B. Polypropylene | |
| 3. |
Lacquering and lamination are the same terms. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
ASTM stands for _____ |
| A. | American Society for Testing Machines |
| B. | American Society for Tempering Machines |
| C. | American Society for Testing and Measurements |
| D. | American Society for Testing Materials |
| Answer» E. | |
| 5. |
Which of the following lamination methods doesn’t require an adhesive for lamination? |
| A. | Dry bonding lamination |
| B. | Solventless lamination |
| C. | Extrusion lamination |
| D. | Wet bonding lamination |
| Answer» D. Wet bonding lamination | |
| 6. |
Which of the following materials is used for solventless laminating? |
| A. | Sodium silicate |
| B. | Polyester isocyanate |
| C. | Rubber latex |
| D. | Dextrin |
| Answer» C. Rubber latex | |
| 7. |
Which of the following plastics is used in the lamination of paperboards? |
| A. | LDPE |
| B. | PS |
| C. | PVC |
| D. | HDPE |
| Answer» B. PS | |
| 8. |
Which of the following processes is done to remove surface contaminants? |
| A. | Priming |
| B. | Chemical Treatment |
| C. | Corona Treatment |
| D. | Flame Treatment |
| Answer» C. Corona Treatment | |
| 9. |
Optimum primer weight for priming films is defined in _____ |
| A. | mg/m2 |
| B. | μg/m2 |
| C. | mg/cm2 |
| D. | mg/mm2 |
| Answer» B. μg/m2 | |
| 10. |
For Flame Treatment prior to laminating and coating, the temperature time combination is _____ |
| A. | 2000-4000°C, 5s |
| B. | 1000-2800°C, 1s |
| C. | 3000-5000°C,10s |
| D. | 1000-2800°C, 15s |
| Answer» C. 3000-5000°C,10s | |
| 11. |
Which of the following treatments increases the surface energy by using electricity? |
| A. | Chemical Treatment |
| B. | Priming |
| C. | Flame Treatment |
| D. | Corona Treatment |
| Answer» E. | |
| 12. |
In the process of surface treatment before lamination or coating, the surface energy is ______ |
| A. | Constant |
| B. | Decreased 10 fold |
| C. | Increased |
| D. | Decreased |
| Answer» D. Decreased | |
| 13. |
Materials other than a thermoplastic can be used in a laminate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Coating is the bonding of two or more layers. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 15. |
A single laminate layer is thicker than _____ |
| A. | 15 μm |
| B. | 6 μm |
| C. | 1 μm |
| D. | 10 μm |
| Answer» C. 1 μm | |