MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Corrosion Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not a thermosetting plastic? |
| A. | Dacron |
| B. | Bakelite |
| C. | Polystyrene |
| D. | Polyester |
| Answer» D. Polyester | |
| 2. |
Which of the following category that materials such as Epon, Durcon, and Araldite belong to? |
| A. | Epoxies |
| B. | Silicones |
| C. | Phenolics |
| D. | Polyesters |
| Answer» B. Silicones | |
| 3. |
Which of the following thermosetting plastics that comes under phenolics? |
| A. | Bakelite |
| B. | Durez |
| C. | Resinox |
| D. | Bakelite, Durez, and Resinox |
| Answer» E. | |
| 4. |
What is the abbreviation of FRP regarding reinforced plastics? |
| A. | Filtrate-reinforced plastic |
| B. | Fiber-reinforced plastic |
| C. | Filter-reinforced plastic |
| D. | Fume-reinforced polymer |
| Answer» C. Filter-reinforced plastic | |
| 5. |
What is the chemical name of the compound that is depicted in the given figure? |
| A. | Formaldehyde |
| B. | Bakelite |
| C. | Urea |
| D. | Vinyl chloride |
| Answer» D. Vinyl chloride | |
| 6. |
Silicones are used for molding compounds, laminating resins, and insulation for electric motors and electronic equipment. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following polyester is used in the space mirror satellite? |
| A. | Mylar |
| B. | Dacron |
| C. | Vibrin |
| D. | Dypol |
| Answer» B. Dacron | |
| 8. |
Which of the following is/are the raw materials of Bakelite? |
| A. | Phenol |
| B. | Formaldehyde |
| C. | Both phenol and formaldehyde |
| D. | Neither phenol nor formaldehyde |
| Answer» D. Neither phenol nor formaldehyde | |
| 9. |
Which of the following is/are the example of thermosetting polymers? |
| A. | Epoxies |
| B. | Polyesters |
| C. | Phenolics |
| D. | Epoxies, polyesters, and phenolics |
| Answer» E. | |
| 10. |
What is meant by thermosetting plastic? |
| A. | It softens on heating and returns to original hardness on cooling |
| B. | It hardens on heating and retains hardness on cooling |
| C. | It hardens on heating and returns to original hardness on cooling |
| D. | It softens on heating and retains hardness on cooling |
| Answer» C. It hardens on heating and returns to original hardness on cooling | |