MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Which type of threads is recommended for fluctuating loads? |
| A. | Fine threads |
| B. | Coarse Threads |
| C. | Either of fine or coarse |
| D. | None of the listed |
| Answer» B. Coarse Threads | |
| 2. |
Which threads have greater resistance to unscrewing? |
| A. | Coarse |
| B. | Fine |
| C. | They have equal resistance |
| D. | Cannot be determined |
| Answer» C. They have equal resistance | |
| 3. |
Coarse threads have helix angle _____ fine threads. |
| A. | Equal to |
| B. | Greater than |
| C. | Lesser than |
| D. | There is no relation |
| Answer» D. There is no relation | |
| 4. |
The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. |
| A. | Lesser than |
| B. | Equal to |
| C. | Greater than |
| D. | No effect |
| Answer» C. Greater than | |
| 5. |
WHICH_THREADS_HAVE_GREATER_RESISTANCE_TO_UNSCREWING??$ |
| A. | Coarse |
| B. | Fine |
| C. | They have equal resistance |
| D. | Cannot be determined |
| Answer» C. They have equal resistance | |
| 6. |
Which_type_of_threads_is_recommended_for_fluctuating_loads?$ |
| A. | Fine threads |
| B. | Coarse Threads |
| C. | Either of fine or coarse |
| D. | None of the listed |
| Answer» B. Coarse Threads | |
| 7. |
Coarse threads have helix angle _____ fine threads? |
| A. | Equal to |
| B. | Greater than |
| C. | Lesser than |
| D. | There is no relation |
| Answer» D. There is no relation | |
| 8. |
The static load carrying capacity of fine threads is greater than that of coarse threads. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Crests and roots of the threads may lead to leakage in fluid tight threads if flattened or rounded to a circular arc. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of the following help in accomplishing the locking? |
| A. | Creating supplementary friction |
| B. | Using special locking devices like split pins |
| C. | By plastic deformation |
| D. | All of the listed |
| Answer» E. | |
| 11. |
If the length of the shank is doubled, then strain energy absorbed by shank |
| A. | Doubles |
| B. | Remains same |
| C. | Increases 4 time |
| D. | Become half |
| Answer» B. Remains same | |
| 12. |
The shock absorbing capacity of bolts can be increased by |
| A. | Increasing the shank diameter |
| B. | Decreasing the length of shank portion of bolt |
| C. | Increase the shank diameter and decreasing the length of shank |
| D. | None of the listed |
| Answer» E. | |
| 13. |
The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. |
| A. | Lesser than |
| B. | Equal to |
| C. | Greater than |
| D. | No effect |
| Answer» C. Greater than | |
| 14. |
Resilience is defined as the property of material to absorb energy when deformed _________ and to release this energy when unloaded. |
| A. | Elastically |
| B. | Plastically |
| C. | Up to fracture point |
| D. | None of the listed |
| Answer» B. Plastically | |