MCQOPTIONS
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MCQOPTIONS
This section includes 26 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. |
The polymer in which steric placements of the substituent are arranged in such a way to give alternate d and l configurations, is known as _________________ |
| A. | isotactic polymer |
| B. | atactic polymer |
| C. | syndio-tactic polymer |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 2. |
Which of the following category does cellulose nitrate fall into? |
| A. | natural |
| B. | synthetic |
| C. | semi-synthetic |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
Which of the following kind of polymers are known for their high crystallinity? |
| A. | isotactic |
| B. | syndiotactic |
| C. | atactic |
| D. | none of the mentioned |
| Answer» B. syndiotactic | |
| 4. |
The characteristics of condensation polymerization are given below-I. only −C−C− linkages present in the polymer structureII. use of bifunctional or polyfunctional monomersIII. elimination of a small byproduct moleculeWhich of the following is true? |
| A. | I, II, III |
| B. | II and III |
| C. | I and II |
| D. | Only III |
| Answer» C. I and II | |
| 5. |
Terylene is a thermoplastic polymer prepared from addition polymerisation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
________ undergoes permanent deformation on heating. |
| A. | Polythene |
| B. | PVC |
| C. | Teflon |
| D. | Bakelite |
| Answer» E. | |
| 7. |
The polymer shown is a _______ |
| A. | elastomer |
| B. | fibre |
| C. | thermoplastic |
| D. | thermosetting plasticView Answer |
| Answer» D. thermosetting plasticView Answer | |
| 8. |
What are the intermolecular forces in acrilan? |
| A. | Hydrogen bonds |
| B. | Dipole-dipole interaction between carbonyl groups |
| C. | Dipole-dipole interaction between carbonyl and cyano groups |
| D. | Van der Waals forces |
| Answer» D. Van der Waals forces | |
| 9. |
Which of the following fibres does not have dipole-dipole interactions? |
| A. | Nylon |
| B. | Terylene |
| C. | Dacron |
| D. | Orlon |
| Answer» B. Terylene | |
| 10. |
The compound [-CH2-CH(C6H5)–]n is a ________ |
| A. | homopolymer |
| B. | co-polymer |
| C. | condensation polymer |
| D. | network polymer |
| Answer» B. co-polymer | |
| 11. |
The synthesis of which of the following polymers involves the repeated loss of small molecules? |
| A. | Polythene |
| B. | Buna-S |
| C. | Buna-N |
| D. | Nylon-6,6 |
| Answer» E. | |
| 12. |
All macromolecules are polymers. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Which of the following polymers has a structure as shown? |
| A. | Low-density polythene |
| B. | High-density polythene |
| C. | Polyvinyl chloride |
| D. | Bakelite |
| Answer» B. High-density polythene | |
| 14. |
Which of the following types of polymers is not based on the classification by the source? |
| A. | Natural |
| B. | Semi-synthetic |
| C. | Elastomers |
| D. | Synthetic |
| Answer» D. Synthetic | |
| 15. |
Polymers are not classified on the basis of which of the following? |
| A. | Source |
| B. | Number of monomers |
| C. | Method of preparation |
| D. | Structure |
| Answer» C. Method of preparation | |
| 16. |
Which of the following is a co-polymer? |
| A. | Polythene |
| B. | Bakelite |
| C. | PVC |
| D. | Polyacrylonitrile |
| Answer» C. PVC | |
| 17. |
WHICH_OF_THE_FOLLOWING_KIND_OF_POLYMERS_ARE_KNOWN_FOR_THEIR_HIGH_CRYSTALLINITY??$ |
| A. | isotactic |
| B. | syndiotactic |
| C. | atactic |
| D. | none of the mentioned |
| Answer» B. syndiotactic | |
| 18. |
The polymer in which steric placements of the substituent are arranged in such a way to give alternate d and l configurations, is known as _________________$ |
| A. | isotactic polymer |
| B. | atactic polymer |
| C. | syndio-tactic polymer |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 19. |
Which_of_the_following_category_does_cellulose_nitrate_fall_into?$ |
| A. | natural |
| B. | synthetic |
| C. | semi-synthetic |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 20. |
What is the range of tensile strength, exhibited by fibres? |
| A. | 300-3,000 |
| B. | 4,000-15,000 |
| C. | 20,000-150,000 |
| D. | 5,000-10,000 |
| Answer» D. 5,000-10,000 | |
| 21. |
Which of the following polymer exhibit a lower value of molar cohesion? |
| A. | wool |
| B. | silk |
| C. | vulcanized rubber |
| D. | polystyrene |
| Answer» D. polystyrene | |
| 22. |
Which among the following polymers have lowest solubillty? |
| A. | polyethylene |
| B. | polystyrene |
| C. | nylon 6 |
| D. | epoxy resin |
| Answer» E. | |
| 23. |
Which of the following is true for the resultant polymer product formed, when molecules of pthalic acid react with molecules of glycerol? |
| A. | branch polymer |
| B. | cross-link polymer |
| C. | linear polymer |
| D. | none of the mentioned |
| Answer» C. linear polymer | |
| 24. |
Which of the following monomers are unsuitable for condensation polymerization? |
| A. | propanoic acid and ethanol |
| B. | butane-dioic acid and glycol |
| C. | diamines and dicarboxylic acids |
| D. | hydroxy acids |
| Answer» B. butane-dioic acid and glycol | |
| 25. |
Which of the following is a thermosetting polymer? |
| A. | polystyrene |
| B. | polyolefins |
| C. | nylons |
| D. | phenolic resins |
| Answer» E. | |
| 26. |
Which of the following polymer type is not classified on the basis of its application and properties? |
| A. | rubbers |
| B. | plastics |
| C. | fibres |
| D. | synthetic |
| Answer» E. | |