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. |
The property of a thermoplastic film to return to its original size is called ______ |
| A. | Elasticity |
| B. | Shrinkiness |
| C. | Elastic memory |
| D. | Shrinkability |
| Answer» D. Shrinkability | |
| 2. |
Films with glass transition temperature below room temperature have more crystallisation rate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The amount of orientation imparted to a film depends on the amount of quench. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The orientation % in BOPP by the double bubble process lies between _________ |
| A. | 200-1000 |
| B. | 200-800 |
| C. | 700-800 |
| D. | 700-1000 |
| Answer» D. 700-1000 | |
| 5. |
Draw ratios in tender frame process ranges from ______ to _____ |
| A. | 4:1, 10:1 |
| B. | 2:1, 10:1 |
| C. | 3:1, 10:1 |
| D. | 5:1, 10:1 |
| Answer» B. 2:1, 10:1 | |
| 6. |
Which of the following does not affect stretch rate in tender frame process? |
| A. | Extent of orientation |
| B. | Divergence angle |
| C. | Feed rate |
| D. | Chain speed |
| Answer» D. Chain speed | |
| 7. |
Orientation increases permeability. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The temperature of orientation is ______ the flow temperature and _____ the glass transition temperature. |
| A. | above, above |
| B. | above, below |
| C. | below, below |
| D. | below, above |
| Answer» E. | |
| 9. |
Which of the following methods are used for orientation of plastic films? |
| A. | Tenter frame and bubble frame |
| B. | Tenter frame and Double bubble |
| C. | Tenter bubble and Double bubble |
| D. | Tenter bubble and Double Frame |
| Answer» C. Tenter bubble and Double bubble | |
| 10. |
The film after annealing is called ________ |
| A. | Strict film |
| B. | Film set |
| C. | Heat set |
| D. | Heat film |
| Answer» D. Heat film | |
| 11. |
__________ is the process which reduces the residual strain after the extrusion process. |
| A. | Lacquering |
| B. | Canning |
| C. | Electroplating |
| D. | Annealing |
| Answer» E. | |
| 12. |
LDPE is generally irradiated before moulding into film. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Oriented films have better sealability. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Which of the following is used for shrink bundle? |
| A. | BOPP |
| B. | PVC |
| C. | LLDPE |
| D. | Cast PP |
| Answer» D. Cast PP | |
| 15. |
The term BOPP in packaging stands for _____ |
| A. | Biaxially Oriented Polypropylene |
| B. | Biaxially Oriented Propylene Alcohol |
| C. | Biaxially Oriented polyphenol |
| D. | Biaxially Operated Packaging Printing |
| Answer» B. Biaxially Oriented Propylene Alcohol | |