MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Viscoelastic materials at low temperatures show no change in its strain with change in stress. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Teflon has very high coefficient of resistance. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following is a thermosetting polymer? |
| A. | PVC |
| B. | PTFE |
| C. | Nylon |
| D. | Polyesters |
| Answer» E. | |
| 4. |
TEFLON_HAS_VERY_HIGH_COEFFICIENT_OF_RESISTANCE.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Viscoelastic_materials_at_low_temperatures_show_no_change_in_its_strain_with_change_in_stress.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
A thermoplastic material has a linear polymer chain while a thermosetting plastic has a crosslinked polymer chain. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Paraffin wax is represented by |
| A. | C18H35 |
| B. | C18H40 |
| C. | C18H36 |
| D. | None of the mentioned |
| Answer» E. | |
| 8. |
Which of the following properties are true for ceramics. |
| A. | light weight construction with low inertia force |
| B. | excellent wear |
| C. | lower friction loss |
| D. | all of the mentioned |
| Answer» E. | |
| 9. |
There are small voids in ceramics structure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The densities of ceramics are low. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
All ceramics contain clay. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Ceramics consist of |
| A. | ionic & covalent bonding |
| B. | covalent bonding |
| C. | hydrogen bonding |
| D. | none of the mentioned |
| Answer» B. covalent bonding | |