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This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
1. |
The cryoscopy refers to ____________ |
A. | Osmotic pressure measurement |
B. | Elevation in boiling point measurement |
C. | Freezing point depression measurement |
D. | Increase in solubility measurement |
Answer» D. Increase in solubility measurement | |
2. |
The weight average molecular weight for PP given its degree of polymerisation as 10,000 will be ____________ |
A. | 3,00,000 gm/mol |
B. | 4,20,000 gm/mol |
C. | 6,70,000 gm/mol |
D. | 8,40,000 gm/mol |
Answer» C. 6,70,000 gm/mol | |
3. |
Which one of the following is not an example of thermoplastic? |
A. | Polyvinyl chloride |
B. | Nylon |
C. | Polyesters |
D. | Epoxy |
Answer» E. | |
4. |
Which of the following polymer is not classified under the category of end use? |
A. | Fibers |
B. | Adhesives |
C. | Elastomers |
D. | Synthetic |
Answer» E. | |
5. |
Styrene acrylonitrile is an example of ____________ |
A. | Co-polymer |
B. | Homopolymer |
C. | Linear polymer |
D. | Amorphous polymer |
Answer» B. Homopolymer | |
6. |
The functionality of ethylene glycol is ____________ |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |
7. |
The optimum DP value of cellulose is ____________ |
A. | 150 |
B. | 250 |
C. | 400 |
D. | 500 |
Answer» C. 400 | |
8. |
Small molecules which combine to form polymer are called ____________ |
A. | Resins |
B. | Monomers |
C. | Plastic |
D. | Blocks |
Answer» C. Plastic | |
9. |
A polymer is any substance made up of many repeating units called ______________ |
A. | Resins |
B. | Plastic |
C. | Mers |
D. | Blocks |
Answer» D. Blocks | |
10. |
STYRENE_ACRYLONITRILE_IS_AN_EXAMPLE_OF?$ |
A. | Co-polymer |
B. | Homopolymer |
C. | Linear polymer |
D. | Amorphous polymer |
Answer» B. Homopolymer | |
11. |
Which_of_the_following_polymer_is_not_classified_under_the_category_of_end_use?$ |
A. | Fibers |
B. | Adhesives |
C. | Elastomers |
D. | Synthetic |
Answer» E. | |
12. |
Higher molecular weight polymers are tougher and more heat resistant. |
A. | True |
B. | False |
Answer» B. False | |
13. |
The cryoscopy refers to |
A. | Osmotic pressure measurement |
B. | Elevation in boiling point measurement |
C. | Freezing point depression measurement |
D. | Increase in solubility measurement |
Answer» D. Increase in solubility measurement | |
14. |
The weight average molecular weight for PP given its degree of polymerisation as 10,000 will be |
A. | 3,00,000 gm/mol |
B. | 4,20,000 gm/mol |
C. | 6,70,000 gm/mol |
D. | 8,40,000 gm/mol |
Answer» C. 6,70,000 gm/mol | |
15. |
Which_one_of_the_following_is_not_an_example_of_thermoplastic? |
A. | Polyvinyl chloride |
B. | Nylon |
C. | Polyesters |
D. | Epoxy |
Answer» E. | |
16. |
Which of the following is not an example of semi-crystalline polymer? |
A. | HDPE |
B. | Nylon |
C. | Polyesters |
D. | LDPE |
Answer» E. | |
17. |
Which of the following polymer is not classified under the category of configuration? |
A. | Syndiotactic |
B. | Atactic |
C. | Cross-linked |
D. | Isotactic |
Answer» D. Isotactic | |
18. |
The functionality of ethylene glycol is |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |
19. |
The optimum DP value of cellulose is |
A. | 150 |
B. | 250 |
C. | 400 |
D. | 500 |
Answer» C. 400 | |
20. |
Below threshold degree of polymerisation (DP), the polymer does not possess any strength and exist either as liquid resin or friable powder. |
A. | True |
B. | False |
Answer» B. False | |
21. |
Small molecules which combine to form polymer are called |
A. | Resins |
B. | Monomers |
C. | Plastic |
D. | Blocks |
Answer» C. Plastic | |
22. |
A polymer is any substance made up of many repeating units called |
A. | Resins |
B. | Plastic |
C. | Mers |
D. | Blocks |
Answer» D. Blocks | |