MCQOPTIONS
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MCQOPTIONS
This section includes 20 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. |
Greater the velocity ratio, smaller the gearbox. |
| A. | True |
| B. | Greater the gearbox |
| C. | Size of gearbox remains unaffected |
| D. | None of the listed |
| Answer» C. Size of gearbox remains unaffected | |
| 2. |
Which of the following are true for worm gears? |
| A. | Worm is in the shape of threaded screw |
| B. | Threads on the worm have small lead |
| C. | Worm imposes high thrust loads |
| D. | Characterised by low speed reduction ratio |
| Answer» E. | |
| 3. |
Bevel gears impose ____ loads on the shafts. |
| A. | Radial and thrust |
| B. | Radial |
| C. | Thrust |
| D. | Neither radial nor thrust |
| Answer» B. Radial | |
| 4. |
Herringbone gear can be used in |
| A. | Intersecting shafts only |
| B. | Parallel shafts only |
| C. | Both intersection and parallel shafts |
| D. | None of the mentioned |
| Answer» C. Both intersection and parallel shafts | |
| 5. |
The teeth of the helical gears are cut parallel to the shaft axis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Gear drive don’t require precise alignment of shafts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
HERRINGBONE_GEAR_CAN_BE_USED_IN?$ |
| A. | Intersecting shafts only |
| B. | Parallel shafts only |
| C. | Both intersection and parallel shafts |
| D. | None of the mentioned |
| Answer» C. Both intersection and parallel shafts | |
| 8. |
Which of the following are true for worm gears?$ |
| A. | Worm is in the shape of threaded screw |
| B. | Threads on the worm have small lead |
| C. | Worm imposes high thrust loads |
| D. | Characterised by low speed reduction ratio |
| Answer» E. | |
| 9. |
Bevel_gears_impose______loads_on_the_shafts.$ |
| A. | Radial and thrust |
| B. | Radial |
| C. | Thrust |
| D. | Neither radial nor thrust |
| Answer» B. Radial | |
| 10. |
For a constant velocity ratio, the common normal to the tooth profile at point of contact must pass through a continuously variable point. |
| A. | True |
| B. | It pass through a fixed point |
| C. | Constant velocity ratio isn’t required, hence variable point is preferred |
| D. | None of the listed |
| Answer» C. Constant velocity ratio isn‚Äö√Ñ√∂‚àö√ë‚àö¬•t required, hence variable point is preferred | |
| 11. |
Required velocity ratio is 60:1, which of the following are recommended? |
| A. | Worm |
| B. | Spur |
| C. | Bevel |
| D. | None of the mentioned |
| Answer» B. Spur | |
| 12. |
Greater_the_velocity_ratio,_smaller_the_gearbox. |
| A. | True |
| B. | Greater the gearbox |
| C. | Size of gearbox remains unaffected |
| D. | None of the listed |
| Answer» C. Size of gearbox remains unaffected | |
| 13. |
The teeth of the helical gears are cut parallel to the shaft axis? |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Spur gears can be used only when the two shafts are parallel. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
Gear drive don’t require precise alignment of shafts.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
Which of the following is not true about gears? |
| A. | Positive drive |
| B. | Constant velocity ratio |
| C. | Transmit large power |
| D. | Bulky construction |
| Answer» E. | |
| 17. |
The two gears are said to have conjugate motion if |
| A. | They have constant angular velocity ratio |
| B. | Variable angular velocity ratio |
| C. | Infinitely small angular velocity ratio |
| D. | None of the mentioned |
| Answer» B. Variable angular velocity ratio | |
| 18. |
Is it possible to transmit power between shafts lying in different planes using gears? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 19. |
Which of the following can be used for power transmission in intersecting shafts. |
| A. | Spur Gear |
| B. | Helical Gear |
| C. | Bevel Gear |
| D. | None of the listed |
| Answer» D. None of the listed | |
| 20. |
The common normal to the curves of the two teeth must not pass through the pitch point. |
| A. | True |
| B. | It must pass |
| C. | It may or may not pass |
| D. | None of the listed |
| Answer» C. It may or may not pass | |