MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the contact ratio. |
| A. | 1.23 |
| B. | 1.52 |
| C. | 1.74 |
| D. | 1.97 |
| Answer» D. 1.97 | |
| 2. |
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the length of arc of contact in mm. |
| A. | 56.4 |
| B. | 54.6 |
| C. | 56.3 |
| D. | 51.3 |
| Answer» C. 56.3 | |
| 3. |
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the length of path of contact in mm. |
| A. | 56.4 |
| B. | 56.2 |
| C. | 56.3 |
| D. | 51.3 |
| Answer» E. | |
| 4. |
Given:Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the addendum height for the smaller gear wheel in mm. |
| A. | 6.4 |
| B. | 6.2 |
| C. | 6.3 |
| D. | 6 |
| Answer» C. 6.3 | |
| 5. |
Given,Involute profile teeths of mating gear: 20 and 40Pressure angle = 20°module = 10mmThe constraint: The addendum on each wheel is to be made of such a length that the line of contact on each side of the pitch point has half the maximum possible length.Find the addendum height for the larger gear wheel in mm. |
| A. | 6.5 |
| B. | 6 |
| C. | 6.8 |
| D. | 7 |
| Answer» B. 6 | |
| 6. |
If the point of contact between the two teeth is always on the involute profiles of both the teeth, then which of the phenomenon will occur? |
| A. | Avoidance of interference |
| B. | Occurrence of interference |
| C. | Increase in length of path of contact |
| D. | Increase in length of arc of contact |
| Answer» B. Occurrence of interference | |
| 7. |
For the same pitch, which of the following statement is true? |
| A. | Cycloidal gears are stronger than involute gears |
| B. | Involute gears are stronger than cycloidal gears |
| C. | Both cycloidal and Involute gears have equal strength |
| D. | Cycloidal gears are stronger for lower pitch only |
| Answer» B. Involute gears are stronger than cycloidal gears | |
| 8. |
In which of the following gears, interference occurs? |
| A. | Cycloidal |
| B. | Involute |
| C. | Epi cycloidal |
| D. | Hypo-cycloidal |
| Answer» C. Epi cycloidal | |
| 9. |
The phenomenon when the tip of tooth undercuts the root on its mating gear is known as _______ |
| A. | Involution |
| B. | Interference |
| C. | Cycloidal motion |
| D. | Undercutting |
| Answer» B. Interference | |
| 10. |
By changing the angle of obliquity of the teeth, interference can be avoided. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following is a disadvantage of involute gears? |
| A. | Occurrence of interference |
| B. | Non occurrence of interference |
| C. | Pressure angle remains constant |
| D. | Face and flank are generated by single curve |
| Answer» B. Non occurrence of interference | |