MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Which of the following CVD technique is a flame based technique? |
| A. | CCVD |
| B. | PECVD |
| C. | LPCVD |
| D. | ALCVD |
| Answer» B. PECVD | |
| 2. |
Which film is used for improving barrier properties of PET bottles? |
| A. | PVC |
| B. | PED |
| C. | DLC |
| D. | GLC |
| Answer» D. GLC | |
| 3. |
In Plasma Enhanced Chemical Vapor Deposition, deposition occurs at a _______ temperature. |
| A. | Higher |
| B. | Constant |
| C. | Increasing |
| D. | Lower |
| Answer» E. | |
| 4. |
_____________ involves depositing successive layers of different substances to produce layered, crystalline films. |
| A. | Atomic layer chemical vapor deposition |
| B. | Combustion chemical vapor deposition |
| C. | Low pressure chemical vapor deposition |
| D. | Plasma enhanced chemical vapor deposition |
| Answer» B. Combustion chemical vapor deposition | |
| 5. |
__________ is a PVD technique in which the bulk material is released into the vacuum by bombardment from an ion source. |
| A. | Splattering |
| B. | Sputtering |
| C. | Splashing |
| D. | Spreading |
| Answer» C. Splashing | |
| 6. |
Adding more metal during the metallization process increases barrier properties. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Energy of an electron is upto ______ in electron beam heating. |
| A. | 15eV |
| B. | 15keV |
| C. | 30eV |
| D. | 30keV |
| Answer» C. 30eV | |
| 8. |
Which of the following is not a heating source in metallization? |
| A. | Convection heating |
| B. | Resistance heating |
| C. | Induction heating |
| D. | Electron beam heating |
| Answer» B. Resistance heating | |
| 9. |
Which of the following metal is not used in vacuum metallization? |
| A. | Aluminium |
| B. | Nickel |
| C. | Chromium |
| D. | Sodium |
| Answer» E. | |
| 10. |
A __________ is a highly concentrated blend of an additive and a carrier resin. |
| A. | Masterpolymer |
| B. | Mastermixture |
| C. | Masterbatch |
| D. | Masterblend |
| Answer» D. Masterblend | |
| 11. |
Smart blending works on the principle of ________ |
| A. | Chaotic addition |
| B. | Chaotic advection |
| C. | Chaotic adversion |
| D. | Chaotic abstraction |
| Answer» C. Chaotic adversion | |