MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_IS_THE_MOST_COMMONLY_USED_FLUOROCARBON_POLYMER??$ |
| A. | PTFE |
| B. | PVDF |
| C. | PVF |
| D. | PFA |
| Answer» B. PVDF | |
| 2. |
________ is an example of dichloro-ethylene? |
| A. | Plasticized PVC |
| B. | Un-plasticized PVC |
| C. | Chlorinated PVC |
| D. | Polyvinylidene chloride |
| Answer» D. Polyvinylidene chloride | |
| 3. |
Which of the following is not a type of polystyrene? |
| A. | Structural Polystyrene |
| B. | High Impact Polystyrene |
| C. | Styrene Acrylonitrile |
| D. | Acrylonitrile Butadiene Styrene |
| Answer» B. High Impact Polystyrene | |
| 4. |
To overcome brittleness of polypropylene, ______ is used. |
| A. | Polyallomer |
| B. | Polyethylene |
| C. | Polyvinyl chloride |
| D. | Polystyrene |
| Answer» B. Polyethylene | |
| 5. |
Which of these is not a type of polyethylene? |
| A. | Low-density polyethylene |
| B. | High-density polyethylene |
| C. | Linear high-density polyethylene |
| D. | Ultra-high molecular weight polyethylene |
| Answer» D. Ultra-high molecular weight polyethylene | |
| 6. |
Which of the following is not an example of a commodity thermoplastic? |
| A. | Polyethylene |
| B. | Polypropylene |
| C. | Polystyrene |
| D. | Phenolic |
| Answer» E. | |
| 7. |
Which of the following is an example of a thermoplastic? |
| A. | Urethane |
| B. | Melamine |
| C. | Acetal |
| D. | Epoxide |
| Answer» D. Epoxide | |
| 8. |
Which of the following is not a property of thermoplastics? |
| A. | Recyclable |
| B. | Soft and weak |
| C. | Easy to mold |
| D. | Can be used at high temperatures |
| Answer» E. | |
| 9. |
Thermoplastics are formed by ________ |
| A. | Addition polymerization |
| B. | Copolymerization |
| C. | Condensation polymerization |
| D. | Isomerism |
| Answer» B. Copolymerization | |