MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Polymer Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the common or brand name of the polymer polyacrylonitrile? |
| A. | mylar |
| B. | orlon |
| C. | technora |
| D. | ultem |
| Answer» C. technora | |
| 2. |
What is the common name of the polymer poly (ethylene terephthalate)? |
| A. | dacron |
| B. | technora |
| C. | viton |
| D. | nomex |
| E. | ?a) dacronb) technorac) vitond) nomex |
| Answer» B. technora | |
| 3. |
What is the use of epoxy resin from commercial point of view? |
| A. | as strength adhesives |
| B. | as cementing agents |
| C. | cast objects and laminates |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
Which of the following monomer pairs polymerize to give epoxy resin? |
| A. | epichlorohydrin and bisphenol A |
| B. | bisphenol A and diphenyl carbonate |
| C. | bisphenol A and phosgene |
| D. | none of the mentioned |
| Answer» B. bisphenol A and diphenyl carbonate | |
| 5. |
The ester interchange method is more favoured than direct phosgenation of bisphenol A for the production of polycarbonates. State true or false. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 6. |
WHAT_IS_THE_USE_OF_EPOXY_RESIN_FROM_COMMERCIAL_POINT_OF_VIEW??$ |
| A. | as strength adhesives |
| B. | as cementing agents |
| C. | cast objects and laminates |
| D. | all of the mentioned |
| Answer» E. | |
| 7. |
What is the common or brand name of the polymer polyacrylonitrile?$ |
| A. | mylar |
| B. | orlon |
| C. | technora |
| D. | ultem |
| Answer» C. technora | |
| 8. |
What is the common name of the polymer poly (ethylene terephthalate)?$ |
| A. | dacron |
| B. | technora |
| C. | viton |
| D. | nomex |
| Answer» B. technora | |
| 9. |
The ester interchange method is more favoured than direct phosgenation of bisphenol A for the production of polycarbonates. State true or false? |
| A. | true |
| B. | false |
| Answer» B. false | |
| 10. |
Where is the polyurethane foams extensively used as? |
| A. | adhesive |
| B. | paint rollers |
| C. | printing rollers |
| D. | fabric coatings |
| Answer» C. printing rollers | |
| 11. |
Which of the following properties of polyurethane rubbers is incorrect as compared to other rubbers? |
| A. | higher tensile strength |
| B. | excellent abrasion resistance |
| C. | excellent resistance to oxygen |
| D. | excellent resistance to acids |
| Answer» E. | |
| 12. |
Which of the following monomer pairs polymerize to give Perlon U? |
| A. | hexamethylene diamine and adipic acid |
| B. | hexamethylene diisocyanate and 1,4-butanediol |
| C. | hexamethylene diamine and 1,4-butanediol |
| D. | hexamethylene diisocyanate and adipic acid |
| Answer» C. hexamethylene diamine and 1,4-butanediol | |
| 13. |
Which of the following diamines is not used to prepare useful polyimides? |
| A. | m-phenylene diamine |
| B. | benzidine |
| C. | m-benzylene diamine |
| D. | 4,4-diaminodiphenylether |
| Answer» D. 4,4-diaminodiphenylether | |
| 14. |
How should the temperature be kept to prevent premature gelation of of polyimides? |
| A. | 30-40 C |
| B. | 60-80 C |
| C. | 55-65 C |
| D. | 50-55 C |
| Answer» B. 60-80 C | |
| 15. |
Which catalyst is used in the resinification reaction of cumarone and indene? |
| A. | nitric acid |
| B. | sulphuric acid |
| C. | stearic acid |
| D. | boron trifluoride |
| Answer» C. stearic acid | |
| 16. |
Which of the following monomer molecule does cumarone and indene resemble to? |
| A. | ethylene |
| B. | styrene |
| C. | butadiene |
| D. | cumene |
| Answer» C. butadiene | |