MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the difference between ratchet and spur gear? |
| A. | Ratchets have bigger diameter than spur gear |
| B. | Ratchets have lesser diameter than spur gear |
| C. | Ratchets have asymmetrical tooth but spur gear have symmetrical tooth |
| D. | Ratchets have symmetrical tooth but spur gear have asymmetrical tooth |
| Answer» D. Ratchets have symmetrical tooth but spur gear have asymmetrical tooth | |
| 2. |
Which ratchets are often called as reversible ratchets? |
| A. | 72 teeth ratchet |
| B. | Stepless ratchets |
| C. | 3 way ratchet |
| D. | Flip ratchet |
| Answer» D. Flip ratchet | |
| 3. |
It is not necessary to have teeth on the surface of the ratchet. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Backlash of a ratchet is the maximum distance covered by the pawl when the ratchet moves in opposite direction. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Ratchet screw driver can apply turning force in one direction only. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What does “12-point” indicates when the term 12 point reversible ratchet is used? |
| A. | Its diameter is 12 |
| B. | Its radius is 12 |
| C. | It has 12 teeth |
| D. | Its pitch is 12 |
| Answer» D. Its pitch is 12 | |
| 7. |
What is the purpose of pawl, when it is used against a spur gear which is attached to a shaft? |
| A. | It allows unidirectional motion of shaft |
| B. | It allows bidirectional motion of shaft |
| C. | It does not allow motion of shaft |
| D. | It is used to create additional friction force for the shaft |
| Answer» D. It is used to create additional friction force for the shaft | |
| 8. |
Who invented Ratchet wheel, which was further used in power loom? |
| A. | Grueblerowen |
| B. | Vitaly Abalakov |
| C. | Robert Owen |
| D. | William Radcliffe |
| Answer» E. | |
| 9. |
What is the maximum distance, a pawl can travel during the backward motion of a ratchet? |
| A. | It is equal to the distance between two alternating teeth |
| B. | It is equal to the distance between two adjacent teeth |
| C. | It is equal to the radius of the ratchet |
| D. | It is equal to the perimeter of the ratchet |
| Answer» C. It is equal to the radius of the ratchet | |
| 10. |
The movement of the ratchet can be locked by pawl if it moves in opposite direction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
The tooth of a ratchet is symmetrical. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which ratchets are often called as roller drive ratchets? |
| A. | 72 teeth ratchet |
| B. | Stepless ratchets |
| C. | Round ratchet |
| D. | Flip ratchet |
| Answer» C. Round ratchet | |
| 13. |
What is the minimum number of tooth, a ratchet should have? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 0 |
| Answer» E. | |
| 14. |
What is the purpose of pawl, when it is used against a ratchet which is attached to a shaft? |
| A. | It allows unidirectional motion of shaft |
| B. | It allows bidirectional motion of shaft |
| C. | It does not allow motion of shaft |
| D. | It is used to create additional friction force for the shaft |
| Answer» B. It allows bidirectional motion of shaft | |
| 15. |
Who invented Ratchet wrench? |
| A. | Grueblerowen |
| B. | Vitaly Abalakov |
| C. | Robert Owen |
| D. | Robert Abalakov |
| Answer» D. Robert Abalakov | |